#C63814

Closest named color: Sinopia (#BB3E03). oklch(55.1% 0.184 34.4), rgb(198, 56, 20).

Aa

White text reads best on this color (5.28:1).

About this color

#C63814 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.184 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.024 away. White text reads best on it, at 5.28:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.184)
Temperaturewarm
Nearest nameSinopia (#BB3E03)
Black text3.97:1
White text5.28:1

Values

HEX#C63814
RGBrgb(198, 56, 20)
HSLhsl(12, 82%, 43%)
OKLCHoklch(55.1% 0.184 34.4)

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 #C63814 5.28:1 AA Lc -80.3 Fine for body text
Black text on #C63814 3.97:1 AA large text Lc 29.2 Dividers and decoration only
#C63814 text on white 5.28:1 AA Lc 74.9 Content text, not long reading
#C63814 text on black 3.97:1 AA large text Lc -26.8 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 600.

  1. Step 50

    50

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #F9E5DF

    oklch(93.6% 0.023 37.4)

  3. Step 200

    200

    #F6CFC5

    oklch(88.5% 0.046 34.7)

  4. Step 300

    300

    #F1AE9D

    oklch(81% 0.083 34.8)

  5. Step 400

    400

    #E78067

    oklch(70.8% 0.133 34.6)

  6. Step 500

    500

    #DC5A3C

    oklch(63% 0.17 34.4)

  7. Step 600

    600 (this color)

    #C63814

    oklch(55.1% 0.184 34.4)

  8. Step 700

    700

    #AC2A05

    oklch(49% 0.171 34.4)

  9. Step 800

    800

    #8C250C

    oklch(42.7% 0.142 34.1)

  10. Step 900

    900

    #702514

    oklch(37.6% 0.11 34.2)

  11. Step 950

    950

    #42170D

    oklch(27% 0.07 34.5)

Export this scale for Tailwind in the Tailwind colors tool

#C63814 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)#64580B0.191
Deuteranopia (no green cones)#8677060.174
Tritanopia (no blue cones)#DA00320.062
Achromatopsia (no color)#6C6C6C0.185

Harmonies

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

Complementary

The opposite hue (180°).

  • #C63814

    #C63814

    oklch(55.1% 0.184 34.4)

  • #008095

    #008095

    oklch(55.2% 0.097 214.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C63814

    #C63814

    oklch(55.1% 0.184 34.4)

  • #C23165

    #C23165

    oklch(55.1% 0.184 4.1)

  • #A35F00

    #A35F00

    oklch(55.1% 0.125 63.9)

Open the analogous palette in the generator

Split complementary

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

  • #C63814

    #C63814

    oklch(55.1% 0.184 34.4)

  • #008479

    #008479

    oklch(55.1% 0.097 184.7)

  • #0078BB

    #0078BB

    oklch(55.2% 0.136 244)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C63814

    #C63814

    oklch(55.1% 0.184 34.4)

  • #00884B

    #00884B

    oklch(55% 0.138 154.4)

  • #5561DB

    #5561DB

    oklch(55.1% 0.185 274.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C63814

    #C63814

    oklch(55.1% 0.184 34.4)

  • #617E00

    #617E00

    oklch(55% 0.137 124.1)

  • #008095

    #008095

    oklch(55.2% 0.097 214.5)

  • #8B4DC7

    #8B4DC7

    oklch(55.1% 0.185 304.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C63814, closest first.

Similar named colors

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

Use #C63814 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.