#CB3C36
Closest named color: Dull Red (#BB3F3F). oklch(56.7% 0.181 27), rgb(203, 60, 54).
Aa
White text reads best on this color (4.95:1).
About this color
#CB3C36 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.181 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.032 away. White text reads best on it, at 4.95:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #CB3C36 |
| RGB | rgb(203, 60, 54) |
| HSL | hsl(2, 59%, 50%) |
| OKLCH | oklch(56.7% 0.181 27) |
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 #CB3C36 | 4.95:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #CB3C36 | 4.23:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #CB3C36 text on white | 4.95:1 | AA | Lc 73.1 | Content text, not long reading |
| #CB3C36 text on black | 4.23:1 | AA large text | Lc -28.6 | 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.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E4E1
oklch(93.5% 0.023 27.3)
-
Step 200
200
#F6CEC9
oklch(88.4% 0.046 26.4)
-
Step 300
300
#F1ADA4
oklch(80.9% 0.082 27.5)
-
Step 400
400
#E67E74
oklch(70.6% 0.13 26.6)
-
Step 500
500
#DC594F
oklch(63.1% 0.166 27.2)
-
Step 600
600 (this color)
#CB3C36
oklch(56.7% 0.181 27)
-
Step 700
700
#AC2925
oklch(49.2% 0.168 27.3)
-
Step 800
800
#8B2420
oklch(42.6% 0.139 27.1)
-
Step 900
900
#702420
oklch(37.6% 0.108 26.6)
-
Step 950
950
#421613
oklch(26.9% 0.069 26.6)
#CB3C36 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) | #655C34 | 0.194 |
| Deuteranopia (no green cones) | #897B31 | 0.176 |
| Tritanopia (no blue cones) | #DF023C | 0.055 |
| Achromatopsia (no color) | #707070 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB3C36
#CB3C36
oklch(56.7% 0.181 27)
- #008693
#008693
oklch(56.7% 0.097 206.8)
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 #CB3C36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.032
- Faded Red #D3494E ΔE 0.035
- Dusty Red #B9484E ΔE 0.041
- Dark Coral #CF524E ΔE 0.042
- Crimson #DC143C ΔE 0.048
- Brick Orange #C14A09 ΔE 0.048
- Sinopia #BB3E03 ΔE 0.048
- Cherry #CF0234 ΔE 0.050
Use #CB3C36 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.