#CB1F12
Closest named color: Cherry (#CF0234). oklch(54% 0.206 29.8), rgb(203, 31, 18).
Aa
White text reads best on this color (5.60:1).
About this color
#CB1F12 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.206 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.036 away. White text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #CB1F12 |
| RGB | rgb(203, 31, 18) |
| HSL | hsl(4, 84%, 43%) |
| OKLCH | oklch(54% 0.206 29.8) |
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 #CB1F12 | 5.60:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #CB1F12 | 3.74:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #CB1F12 text on white | 5.60:1 | AA | Lc 76.0 | Fine for body text |
| #CB1F12 text on black | 3.74:1 | AA large text | Lc -25.7 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CDC5
oklch(88.4% 0.051 30.1)
-
Step 300
300
#F7AA9D
oklch(80.9% 0.093 29.9)
-
Step 400
400
#EE7968
oklch(70.7% 0.148 29.8)
-
Step 500
500
#E54F3E
oklch(63.1% 0.189 29.7)
-
Step 600
600 (this color)
#CB1F12
oklch(54% 0.206 29.8)
-
Step 700
700
#B41509
oklch(49.1% 0.191 29.8)
-
Step 800
800
#92180E
oklch(42.7% 0.158 29.8)
-
Step 900
900
#751D15
oklch(37.6% 0.123 29.3)
-
Step 950
950
#45130D
oklch(26.9% 0.078 29.9)
#CB1F12 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) | #5B500B | 0.223 |
| Deuteranopia (no green cones) | #847500 | 0.201 |
| Tritanopia (no blue cones) | #E00020 | 0.043 |
| Achromatopsia (no color) | #686868 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB1F12
#CB1F12
oklch(54% 0.206 29.8)
- #007D8C
#007D8C
oklch(54% 0.093 209.4)
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 #CB1F12, closest first.
No curated palette has a color within ΔE 0.04 of #CB1F12.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.036
- Scarlet #BE0119 ΔE 0.038
- Lipstick Red #C0022F ΔE 0.044
- Sinopia #BB3E03 ΔE 0.047
- Dull Red #BB3F3F ΔE 0.049
- Crimson #DC143C ΔE 0.050
- Firebrick #B22222 ΔE 0.052
- Rusty Red #AF2F0D ΔE 0.056
Use #CB1F12 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.