#C71100

Closest named color: Scarlet (#BE0119). oklch(52.6% 0.209 30.2), rgb(199, 17, 0).

Aa

White text reads best on this color (5.98:1).

About this color

#C71100 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.209 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.026 away. White text reads best on it, at 5.98:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.209)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.50:1
White text5.98:1

Values

HEX#C71100
RGBrgb(199, 17, 0)
HSLhsl(5, 100%, 39%)
OKLCHoklch(52.6% 0.209 30.2)

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 #C71100 5.98:1 AA Lc -82.8 Fine for body text
Black text on #C71100 3.50:1 AA large text Lc 26.5 Dividers and decoration only
#C71100 text on white 5.98:1 AA Lc 77.5 Fine for body text
#C71100 text on black 3.50:1 AA large text Lc -24.2 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

    #FEF3F0

    oklch(97.2% 0.013 35.7)

  2. Step 100

    100

    #FCE4DF

    oklch(93.7% 0.027 31.7)

  3. Step 200

    200

    #FACDC5

    oklch(88.5% 0.052 29.9)

  4. Step 300

    300

    #F7AA9C

    oklch(80.9% 0.094 30.6)

  5. Step 400

    400

    #F07866

    oklch(70.7% 0.151 30.1)

  6. Step 500

    500

    #E64D3A

    oklch(63% 0.192 30.3)

  7. Step 600

    600 (this color)

    #C71100

    oklch(52.6% 0.209 30.2)

  8. Step 700

    700

    #B51001

    oklch(49% 0.195 30.2)

  9. Step 800

    800

    #931509

    oklch(42.7% 0.161 30.2)

  10. Step 900

    900

    #761C12

    oklch(37.6% 0.126 30.2)

  11. Step 950

    950

    #46130C

    oklch(27.1% 0.08 30.7)

Export this scale for Tailwind in the Tailwind colors tool

#C71100 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)#564B000.227
Deuteranopia (no green cones)#8071000.202
Tritanopia (no blue cones)#DC00130.043
Achromatopsia (no color)#6363630.211

Harmonies

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

Complementary

The opposite hue (180°).

  • #C71100

    #C71100

    oklch(52.6% 0.209 30.2)

  • #007888

    #007888

    oklch(52.5% 0.091 210.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C71100

    #C71100

    oklch(52.6% 0.209 30.2)

  • #C00965

    #C00965

    oklch(52.5% 0.209 0.2)

  • #9C5600

    #9C5600

    oklch(52.5% 0.123 60.3)

Open the analogous palette in the generator

Split complementary

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

  • #C71100

    #C71100

    oklch(52.6% 0.209 30.2)

  • #007C6D

    #007C6D

    oklch(52.5% 0.095 180.5)

  • #0072A9

    #0072A9

    oklch(52.7% 0.121 240.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C71100

    #C71100

    oklch(52.6% 0.209 30.2)

  • #00803A

    #00803A

    oklch(52.4% 0.143 150.3)

  • #4057E1

    #4057E1

    oklch(52.6% 0.21 270.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C71100

    #C71100

    oklch(52.6% 0.209 30.2)

  • #617400

    #617400

    oklch(52.5% 0.125 120.4)

  • #007888

    #007888

    oklch(52.5% 0.091 210.9)

  • #803ECE

    #803ECE

    oklch(52.5% 0.21 300.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C71100, closest first.

No curated palette has a color within ΔE 0.04 of #C71100.

Similar named colors

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

Use #C71100 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.