#DA103E

Closest named color: Crimson (#DC143C). oklch(56.7% 0.222 19.1), rgb(218, 16, 62).

Aa

White text reads best on this color (5.09:1).

About this color

#DA103E is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.222 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.006 away. White text reads best on it, at 5.09:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.222)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.12:1
White text5.09:1

Values

HEX#DA103E
RGBrgb(218, 16, 62)
HSLhsl(346, 86%, 46%)
OKLCHoklch(56.7% 0.222 19.1)

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 #DA103E 5.09:1 AA Lc -78.2 Fine for body text
Black text on #DA103E 4.12:1 AA large text Lc 31.3 Non-text elements, placeholder text
#DA103E text on white 5.09:1 AA Lc 72.7 Content text, not long reading
#DA103E text on black 4.12:1 AA large text Lc -29.0 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FDE3E2

    oklch(93.7% 0.029 20.3)

  3. Step 200

    200

    #FCCBCB

    oklch(88.5% 0.056 18.3)

  4. Step 300

    300

    #FAA6A7

    oklch(80.8% 0.1 18.7)

  5. Step 400

    400

    #F47278

    oklch(70.8% 0.16 19.2)

  6. Step 500

    500

    #EB4256

    oklch(63.1% 0.204 19)

  7. Step 600

    600 (this color)

    #DA103E

    oklch(56.7% 0.222 19.1)

  8. Step 700

    700

    #B60030

    oklch(49.1% 0.197 19.1)

  9. Step 800

    800

    #960126

    oklch(42.7% 0.171 19.2)

  10. Step 900

    900

    #791524

    oklch(37.8% 0.133 19)

  11. Step 950

    950

    #470F15

    oklch(26.9% 0.084 19.1)

Export this scale for Tailwind in the Tailwind colors tool

#DA103E 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)#5A543E0.247
Deuteranopia (no green cones)#897C370.225
Tritanopia (no blue cones)#F000280.048
Achromatopsia (no color)#6E6E6E0.223

Harmonies

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

Complementary

The opposite hue (180°).

  • #DA103E

    #DA103E

    oklch(56.7% 0.222 19.1)

  • #00878C

    #00878C

    oklch(56.6% 0.096 199.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DA103E

    #DA103E

    oklch(56.7% 0.222 19.1)

  • #CB1E8A

    #CB1E8A

    oklch(56.6% 0.221 349.2)

  • #BA5400

    #BA5400

    oklch(56.6% 0.152 48.9)

Open the analogous palette in the generator

Split complementary

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

  • #DA103E

    #DA103E

    oklch(56.7% 0.222 19.1)

  • #008B6B

    #008B6B

    oklch(56.6% 0.113 169.3)

  • #0082AA

    #0082AA

    oklch(56.7% 0.111 228.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DA103E

    #DA103E

    oklch(56.7% 0.222 19.1)

  • #318D00

    #318D00

    oklch(56.6% 0.179 139)

  • #006CF4

    #006CF4

    oklch(56.6% 0.22 259.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DA103E

    #DA103E

    oklch(56.7% 0.222 19.1)

  • #7D7B00

    #7D7B00

    oklch(56.6% 0.123 108.6)

  • #00878C

    #00878C

    oklch(56.6% 0.096 199.4)

  • #7951ED

    #7951ED

    oklch(56.7% 0.222 289.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DA103E, closest first.

No curated palette has a color within ΔE 0.04 of #DA103E.

Similar named colors

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

Use #DA103E 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.