#C52315

Closest named color: Scarlet (#BE0119). oklch(53.2% 0.198 29.9), rgb(197, 35, 21).

Aa

White text reads best on this color (5.79:1).

About this color

#C52315 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.198 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.031 away. White text reads best on it, at 5.79:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.198)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.62:1
White text5.79:1

Values

HEX#C52315
RGBrgb(197, 35, 21)
HSLhsl(5, 81%, 43%)
OKLCHoklch(53.2% 0.198 29.9)

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 #C52315 5.79:1 AA Lc -82.5 Fine for body text
Black text on #C52315 3.62:1 AA large text Lc 26.9 Dividers and decoration only
#C52315 text on white 5.79:1 AA Lc 77.1 Fine for body text
#C52315 text on black 3.62:1 AA large text Lc -24.6 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

    #FBE4E0

    oklch(93.6% 0.026 29.4)

  3. Step 200

    200

    #F8CEC6

    oklch(88.5% 0.049 30.7)

  4. Step 300

    300

    #F5AB9F

    oklch(80.9% 0.09 29.4)

  5. Step 400

    400

    #EC7B6A

    oklch(70.7% 0.143 29.9)

  6. Step 500

    500

    #E25241

    oklch(63% 0.182 29.8)

  7. Step 600

    600 (this color)

    #C52315

    oklch(53.2% 0.198 29.9)

  8. Step 700

    700

    #B11D10

    oklch(49% 0.184 30)

  9. Step 800

    800

    #901D12

    oklch(42.7% 0.152 30)

  10. Step 900

    900

    #742017

    oklch(37.8% 0.119 29.7)

  11. Step 950

    950

    #44140E

    oklch(26.9% 0.076 29.9)

Export this scale for Tailwind in the Tailwind colors tool

#C52315 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)#5A4F0F0.213
Deuteranopia (no green cones)#8172050.192
Tritanopia (no blue cones)#DA00230.044
Achromatopsia (no color)#6565650.200

Harmonies

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

Complementary

The opposite hue (180°).

  • #C52315

    #C52315

    oklch(53.2% 0.198 29.9)

  • #007A8A

    #007A8A

    oklch(53.1% 0.092 210.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C52315

    #C52315

    oklch(53.2% 0.198 29.9)

  • #BE1E68

    #BE1E68

    oklch(53.1% 0.198 359.7)

  • #9F5700

    #9F5700

    oklch(53.1% 0.125 59.7)

Open the analogous palette in the generator

Split complementary

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

  • #C52315

    #C52315

    oklch(53.2% 0.198 29.9)

  • #007E6E

    #007E6E

    oklch(53.1% 0.097 179.8)

  • #0074AB

    #0074AB

    oklch(53.3% 0.121 239.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C52315

    #C52315

    oklch(53.2% 0.198 29.9)

  • #00833A

    #00833A

    oklch(53.3% 0.147 149.9)

  • #435CDD

    #435CDD

    oklch(53.3% 0.198 270)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C52315

    #C52315

    oklch(53.2% 0.198 29.9)

  • #647600

    #647600

    oklch(53.2% 0.126 119.7)

  • #007A8A

    #007A8A

    oklch(53.1% 0.092 210.7)

  • #8045CB

    #8045CB

    oklch(53.1% 0.198 299.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C52315, closest first.

Similar named colors

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

Use #C52315 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.