#C75037

Closest named color: Dark Coral (#CF524E). oklch(58.4% 0.157 33.5), rgb(199, 80, 55).

Aa

Black text reads best on this color (4.63:1).

About this color

#C75037 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.157 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Coral (#CF524E), ΔE 0.030 away. Black text reads best on it, at 4.63:1.

Hue familyReds
Lightnessmedium-dark (58%)
Chromavivid (0.157)
Temperaturewarm
Nearest nameDark Coral (#CF524E)
Black text4.63:1
White text4.53:1

Values

HEX#C75037
RGBrgb(199, 80, 55)
HSLhsl(10, 57%, 50%)
OKLCHoklch(58.4% 0.157 33.5)

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 #C75037 4.53:1 AA Lc -76.2 Fine for body text
Black text on #C75037 4.63:1 AA Lc 33.4 Non-text elements, placeholder text
#C75037 text on white 4.53:1 AA Lc 70.7 Content text, not long reading
#C75037 text on black 4.63:1 AA Lc -31.0 Non-text elements, placeholder text

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

    #FCF3F1

    oklch(97.1% 0.01 32.5)

  2. Step 100

    100

    #F7E5E1

    oklch(93.5% 0.021 32.5)

  3. Step 200

    200

    #F2D0C8

    oklch(88.4% 0.04 33.4)

  4. Step 300

    300

    #EBB1A3

    oklch(81% 0.071 34)

  5. Step 400

    400

    #DE8571

    oklch(70.7% 0.114 33.5)

  6. Step 500

    500

    #D2644C

    oklch(63.1% 0.144 33.7)

  7. Step 600

    600 (this color)

    #C75037

    oklch(58.4% 0.157 33.5)

  8. Step 700

    700

    #A33821

    oklch(49.2% 0.146 33.8)

  9. Step 800

    800

    #842F1D

    oklch(42.6% 0.121 33.7)

  10. Step 900

    900

    #6B2B1E

    oklch(37.8% 0.095 33.1)

  11. Step 950

    950

    #3F1A12

    oklch(27.1% 0.06 33.5)

Export this scale for Tailwind in the Tailwind colors tool

#C75037 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)#7166340.160
Deuteranopia (no green cones)#8E80330.148
Tritanopia (no blue cones)#DA354B0.062
Achromatopsia (no color)#7676760.158

Harmonies

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

Complementary

The opposite hue (180°).

  • #C75037

    #C75037

    oklch(58.4% 0.157 33.5)

  • #008BA0

    #008BA0

    oklch(58.5% 0.102 213.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C75037

    #C75037

    oklch(58.4% 0.157 33.5)

  • #C34B71

    #C34B71

    oklch(58.3% 0.157 3.7)

  • #B16700

    #B16700

    oklch(58.4% 0.133 63.5)

Open the analogous palette in the generator

Split complementary

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

  • #C75037

    #C75037

    oklch(58.4% 0.157 33.5)

  • #008F82

    #008F82

    oklch(58.4% 0.104 183.7)

  • #0082C9

    #0082C9

    oklch(58.4% 0.143 243.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C75037

    #C75037

    oklch(58.4% 0.157 33.5)

  • #00944F

    #00944F

    oklch(58.5% 0.149 153.4)

  • #5F70D7

    #5F70D7

    oklch(58.3% 0.157 273.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C75037

    #C75037

    oklch(58.4% 0.157 33.5)

  • #6B8800

    #6B8800

    oklch(58.3% 0.144 123.3)

  • #008BA0

    #008BA0

    oklch(58.5% 0.102 213.2)

  • #905FC6

    #905FC6

    oklch(58.3% 0.158 303.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C75037, closest first.

Similar named colors

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

Use #C75037 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.