#C02800
Closest named color: Sinopia (#BB3E03). oklch(52.5% 0.192 33.4), rgb(192, 40, 0).
Aa
White text reads best on this color (5.92:1).
About this color
#C02800 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.192 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.031 away. White text reads best on it, at 5.92:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #C02800 |
| RGB | rgb(192, 40, 0) |
| HSL | hsl(13, 100%, 38%) |
| OKLCH | oklch(52.5% 0.192 33.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C02800 | 5.92:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #C02800 | 3.54:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #C02800 text on white | 5.92:1 | AA | Lc 77.9 | Fine for body text |
| #C02800 text on black | 3.54:1 | AA large text | Lc -23.9 | 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.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CEC5
oklch(88.4% 0.048 32.5)
-
Step 300
300
#F3AD9D
oklch(81% 0.086 33.3)
-
Step 400
400
#E97D66
oklch(70.6% 0.138 33.2)
-
Step 500
500
#DF573B
oklch(63.1% 0.176 33.4)
-
Step 600
600 (this color)
#C02800
oklch(52.5% 0.192 33.4)
-
Step 700
700
#AF2401
oklch(49.1% 0.179 33.3)
-
Step 800
800
#8E2109
oklch(42.6% 0.148 33.3)
-
Step 900
900
#722312
oklch(37.7% 0.115 33.7)
-
Step 950
950
#43160C
oklch(27% 0.072 34.1)
#C02800 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5A4E00 | 0.203 |
| Deuteranopia (no green cones) | #7F7000 | 0.181 |
| Tritanopia (no blue cones) | #D40023 | 0.049 |
| Achromatopsia (no color) | #646464 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C02800
#C02800
oklch(52.5% 0.192 33.4)
- #00788A
#00788A
oklch(52.6% 0.092 212.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C02800, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.033
- Scarlet #BE0119 ΔE 0.035
- Firebrick #B22222 ΔE 0.038
- Rufous #AE2012 ΔE 0.042
- Rust Red #AA2704 ΔE 0.046
- Dull Red #BB3F3F ΔE 0.047
- Lipstick Red #C0022F ΔE 0.048
Use #C02800 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.