#C10410

Closest named color: Scarlet (#BE0119). oklch(51.1% 0.207 27.7), rgb(193, 4, 16).

Aa

White text reads best on this color (6.37:1).

About this color

#C10410 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.207 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.009 away. White text reads best on it, at 6.37:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.207)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.29:1
White text6.37:1

Values

HEX#C10410
RGBrgb(193, 4, 16)
HSLhsl(356, 96%, 39%)
OKLCHoklch(51.1% 0.207 27.7)

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 #C10410 6.37:1 AA Lc -84.3 Fine for body text
Black text on #C10410 3.29:1 AA large text Lc 25.0 Dividers and decoration only
#C10410 text on white 6.37:1 AA Lc 79.1 Fine for body text
#C10410 text on black 3.29:1 AA large text Lc -22.8 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 700.

  1. Step 50

    50

    #FEF2F0

    oklch(97% 0.013 28.9)

  2. Step 100

    100

    #FDE3DF

    oklch(93.6% 0.029 28.1)

  3. Step 200

    200

    #FCCCC5

    oklch(88.5% 0.056 27.9)

  4. Step 300

    300

    #FBA89D

    oklch(81% 0.1 27.8)

  5. Step 400

    400

    #F47467

    oklch(70.7% 0.16 27.7)

  6. Step 500

    500

    #EC453C

    oklch(63.2% 0.205 27.7)

  7. Step 600

    600

    #D70D16

    oklch(55.6% 0.223 27.7)

  8. Step 700

    700 (this color)

    #C10410

    oklch(51.1% 0.207 27.7)

  9. Step 800

    800

    #97050B

    oklch(42.7% 0.172 27.8)

  10. Step 900

    900

    #791613

    oklch(37.7% 0.134 27.7)

  11. Step 950

    950

    #47100D

    oklch(26.9% 0.084 27.4)

Export this scale for Tailwind in the Tailwind colors tool

#C10410 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)#51470B0.227
Deuteranopia (no green cones)#7A6C000.204
Tritanopia (no blue cones)#D5000F0.042
Achromatopsia (no color)#5F5F5F0.209

Harmonies

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

Complementary

The opposite hue (180°).

  • #C10410

    #C10410

    oklch(51.1% 0.207 27.7)

  • #007480

    #007480

    oklch(51.1% 0.088 207.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C10410

    #C10410

    oklch(51.1% 0.207 27.7)

  • #B90366

    #B90366

    oklch(51.1% 0.207 358)

  • #995100

    #995100

    oklch(51.2% 0.123 57.8)

Open the analogous palette in the generator

Split complementary

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

  • #C10410

    #C10410

    oklch(51.1% 0.207 27.7)

  • #007866

    #007866

    oklch(51.2% 0.095 177.4)

  • #006E9F

    #006E9F

    oklch(51.1% 0.113 237.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C10410

    #C10410

    oklch(51.1% 0.207 27.7)

  • #007C2E

    #007C2E

    oklch(51.1% 0.149 147.7)

  • #3555DA

    #3555DA

    oklch(51.1% 0.206 267.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C10410

    #C10410

    oklch(51.1% 0.207 27.7)

  • #616F00

    #616F00

    oklch(51.2% 0.119 118.1)

  • #007480

    #007480

    oklch(51.1% 0.088 207.3)

  • #783CCB

    #783CCB

    oklch(51.1% 0.208 297.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C10410, closest first.

Similar named colors

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

Use #C10410 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.