#DA0F23

Closest named color: Crimson (#DC143C). oklch(56.3% 0.223 25.8), rgb(218, 15, 35).

Aa

White text reads best on this color (5.15:1).

About this color

#DA0F23 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.223 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.024 away. White text reads best on it, at 5.15:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.223)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.07:1
White text5.15:1

Values

HEX#DA0F23
RGBrgb(218, 15, 35)
HSLhsl(354, 87%, 46%)
OKLCHoklch(56.3% 0.223 25.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #DA0F23 5.15:1 AA Lc -78.5 Fine for body text
Black text on #DA0F23 4.07:1 AA large text Lc 31.1 Non-text elements, placeholder text
#DA0F23 text on white 5.15:1 AA Lc 73.0 Content text, not long reading
#DA0F23 text on black 4.07:1 AA large text Lc -28.7 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FDE3E0

    oklch(93.6% 0.029 25.6)

  3. Step 200

    200

    #FCCCC6

    oklch(88.5% 0.055 26.5)

  4. Step 300

    300

    #FBA79F

    oklch(80.9% 0.101 25.5)

  5. Step 400

    400

    #F4736A

    oklch(70.6% 0.16 26)

  6. Step 500

    500

    #EC4342

    oklch(63.1% 0.206 25.6)

  7. Step 600

    600 (this color)

    #DA0F23

    oklch(56.3% 0.223 25.8)

  8. Step 700

    700

    #B70018

    oklch(49.1% 0.199 25.9)

  9. Step 800

    800

    #970213

    oklch(42.7% 0.172 25.8)

  10. Step 900

    900

    #791517

    oklch(37.6% 0.134 25.8)

  11. Step 950

    950

    #47100F

    oklch(26.9% 0.084 25.7)

Export this scale for Tailwind in the Tailwind colors tool

#DA0F23 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#5D53200.246
Deuteranopia (no green cones)#8B7C160.223
Tritanopia (no blue cones)#F1001C0.046
Achromatopsia (no color)#6D6D6D0.225

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #DA0F23

    #DA0F23

    oklch(56.3% 0.223 25.8)

  • #008591

    #008591

    oklch(56.3% 0.096 205.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DA0F23

    #DA0F23

    oklch(56.3% 0.223 25.8)

  • #CF127A

    #CF127A

    oklch(56.2% 0.223 355.7)

  • #B15B00

    #B15B00

    oklch(56.3% 0.139 55.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #DA0F23

    #DA0F23

    oklch(56.3% 0.223 25.8)

  • #008973

    #008973

    oklch(56.3% 0.105 176.1)

  • #007FB2

    #007FB2

    oklch(56.4% 0.121 235.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DA0F23

    #DA0F23

    oklch(56.3% 0.223 25.8)

  • #008E2A

    #008E2A

    oklch(56.3% 0.173 145.7)

  • #3664F6

    #3664F6

    oklch(56.2% 0.224 265.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DA0F23

    #DA0F23

    oklch(56.3% 0.223 25.8)

  • #737E00

    #737E00

    oklch(56.4% 0.129 115.7)

  • #008591

    #008591

    oklch(56.3% 0.096 205.9)

  • #8549E6

    #8549E6

    oklch(56.2% 0.224 295.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DA0F23, closest first.

No curated palette has a color within ΔE 0.04 of #DA0F23.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #DA0F23 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.