#CB2B51
Closest named color: Lipstick (#D5174E). oklch(55.6% 0.194 13.4), rgb(203, 43, 81).
Aa
White text reads best on this color (5.24:1).
About this color
#CB2B51 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.194 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick (#D5174E), ΔE 0.022 away. White text reads best on it, at 5.24:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Lipstick (#D5174E) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #CB2B51 |
| RGB | rgb(203, 43, 81) |
| HSL | hsl(346, 65%, 48%) |
| OKLCH | oklch(55.6% 0.194 13.4) |
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 #CB2B51 | 5.24:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #CB2B51 | 4.00:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #CB2B51 text on white | 5.24:1 | AA | Lc 74.5 | Content text, not long reading |
| #CB2B51 text on black | 4.00:1 | AA large text | Lc -27.2 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE3E5
oklch(93.5% 0.025 11.6)
-
Step 200
200
#F8CDD0
oklch(88.6% 0.049 13.4)
-
Step 300
300
#F3AAB0
oklch(80.9% 0.086 13.7)
-
Step 400
400
#EA7987
oklch(70.8% 0.14 13.5)
-
Step 500
500
#E05069
oklch(63.2% 0.179 13.6)
-
Step 600
600 (this color)
#CB2B51
oklch(55.6% 0.194 13.4)
-
Step 700
700
#AF1A42
oklch(49.1% 0.181 13.2)
-
Step 800
800
#8E1B36
oklch(42.7% 0.149 13.6)
-
Step 900
900
#721F2F
oklch(37.7% 0.116 13.5)
-
Step 950
950
#43141C
oklch(27% 0.073 13.2)
#CB2B51 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) | #595751 | 0.217 |
| Deuteranopia (no green cones) | #82784D | 0.197 |
| Tritanopia (no blue cones) | #DE003C | 0.043 |
| Achromatopsia (no color) | #6C6C6C | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB2B51
#CB2B51
oklch(55.6% 0.194 13.4)
- #008583
#008583
oklch(55.8% 0.096 192.9)
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 #CB2B51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick #D5174E ΔE 0.022
- Ruby #CA0147 ΔE 0.029
- Cherry #CF0234 ΔE 0.037
- Crimson #DC143C ΔE 0.040
- Dark Pink #CB416B ΔE 0.040
- Deep Rose #C74767 ΔE 0.042
- Cerise #DE0C62 ΔE 0.047
- Rose Red #BE013C ΔE 0.049
Use #CB2B51 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.