#DA172D

Closest named color: Crimson (#DC143C). oklch(56.7% 0.22 24.2), rgb(218, 23, 45).

Aa

White text reads best on this color (5.07:1).

About this color

#DA172D is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.220 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.016 away. White text reads best on it, at 5.07:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.220)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.14:1
White text5.07:1

Values

HEX#DA172D
RGBrgb(218, 23, 45)
HSLhsl(353, 81%, 47%)
OKLCHoklch(56.7% 0.22 24.2)

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 #DA172D 5.07:1 AA Lc -78.2 Fine for body text
Black text on #DA172D 4.14:1 AA large text Lc 31.3 Non-text elements, placeholder text
#DA172D text on white 5.07:1 AA Lc 72.7 Content text, not long reading
#DA172D text on black 4.14:1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FCCCC7

    oklch(88.6% 0.055 25.2)

  4. Step 300

    300

    #FAA7A1

    oklch(80.8% 0.099 24)

  5. Step 400

    400

    #F3736F

    oklch(70.6% 0.158 23.8)

  6. Step 500

    500

    #EB4548

    oklch(63.2% 0.203 24.2)

  7. Step 600

    600 (this color)

    #DA172D

    oklch(56.7% 0.22 24.2)

  8. Step 700

    700

    #B7001F

    oklch(49.1% 0.199 24.3)

  9. Step 800

    800

    #96061A

    oklch(42.7% 0.169 24.1)

  10. Step 900

    900

    #78171B

    oklch(37.6% 0.131 24.4)

  11. Step 950

    950

    #471011

    oklch(27% 0.084 23.8)

Export this scale for Tailwind in the Tailwind colors tool

#DA172D 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)#5D542B0.243
Deuteranopia (no green cones)#8B7D240.221
Tritanopia (no blue cones)#F000230.043
Achromatopsia (no color)#6E6E6E0.222

Harmonies

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

Complementary

The opposite hue (180°).

  • #DA172D

    #DA172D

    oklch(56.7% 0.22 24.2)

  • #008691

    #008691

    oklch(56.6% 0.097 204.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DA172D

    #DA172D

    oklch(56.7% 0.22 24.2)

  • #CF1B7F

    #CF1B7F

    oklch(56.7% 0.221 354.2)

  • #B45A00

    #B45A00

    oklch(56.6% 0.142 53.9)

Open the analogous palette in the generator

Split complementary

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

  • #DA172D

    #DA172D

    oklch(56.7% 0.22 24.2)

  • #008B72

    #008B72

    oklch(56.8% 0.108 174.1)

  • #0080B1

    #0080B1

    oklch(56.6% 0.119 234.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DA172D

    #DA172D

    oklch(56.7% 0.22 24.2)

  • #00901D

    #00901D

    oklch(56.7% 0.183 144.1)

  • #3068F5

    #3068F5

    oklch(56.7% 0.22 264.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DA172D

    #DA172D

    oklch(56.7% 0.22 24.2)

  • #767E00

    #767E00

    oklch(56.7% 0.128 114.1)

  • #008691

    #008691

    oklch(56.6% 0.097 204.9)

  • #834DE8

    #834DE8

    oklch(56.7% 0.221 294.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DA172D, closest first.

Similar named colors

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

Use #DA172D 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.