#CD290A
Closest named color: Sinopia (#BB3E03). oklch(55% 0.202 32.1), rgb(205, 41, 10).
Aa
White text reads best on this color (5.36:1).
About this color
#CD290A is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.202 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.041 away. White text reads best on it, at 5.36:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #CD290A |
| RGB | rgb(205, 41, 10) |
| HSL | hsl(10, 91%, 42%) |
| OKLCH | oklch(55% 0.202 32.1) |
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 #CD290A | 5.36:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #CD290A | 3.91:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #CD290A text on white | 5.36:1 | AA | Lc 74.9 | Content text, not long reading |
| #CD290A text on black | 3.91:1 | 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.
-
Step 50
50
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F6AB9C
oklch(80.9% 0.092 31.7)
-
Step 400
400
#ED7A65
oklch(70.6% 0.146 31.7)
-
Step 500
500
#E45139
oklch(63.1% 0.187 31.8)
-
Step 600
600 (this color)
#CD290A
oklch(55% 0.202 32.1)
-
Step 700
700
#B21D00
oklch(49.1% 0.186 32)
-
Step 800
800
#911B06
oklch(42.7% 0.156 32.1)
-
Step 900
900
#751F11
oklch(37.8% 0.122 31.9)
-
Step 950
950
#45140C
oklch(27% 0.077 31.7)
#CD290A 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) | #5F5400 | 0.217 |
| Deuteranopia (no green cones) | #877700 | 0.193 |
| Tritanopia (no blue cones) | #E20026 | 0.048 |
| Achromatopsia (no color) | #6B6B6B | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD290A
#CD290A
oklch(55% 0.202 32.1)
- #008092
#008092
oklch(55% 0.096 211.8)
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 #CD290A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.041
- Cherry #CF0234 ΔE 0.046
- Dull Red #BB3F3F ΔE 0.050
- Scarlet #BE0119 ΔE 0.050
- Brick Orange #C14A09 ΔE 0.050
- Crimson #DC143C ΔE 0.053
- Lipstick Red #C0022F ΔE 0.056
- Burnt Orange #C04E01 ΔE 0.059
Use #CD290A 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.