#CB0C49
Closest named color: Ruby (#CA0147). oklch(53.9% 0.211 13.5), rgb(203, 12, 73).
Aa
White text reads best on this color (5.69:1).
About this color
#CB0C49 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.211 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.005 away. White text reads best on it, at 5.69:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #CB0C49 |
| RGB | rgb(203, 12, 73) |
| HSL | hsl(341, 89%, 42%) |
| OKLCH | oklch(53.9% 0.211 13.5) |
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 #CB0C49 | 5.69:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #CB0C49 | 3.68:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #CB0C49 text on white | 5.69:1 | AA | Lc 76.1 | Fine for body text |
| #CB0C49 text on black | 3.68:1 | AA large text | Lc -25.6 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FACCCF
oklch(88.6% 0.052 13.8)
-
Step 300
300
#F7A7AF
oklch(80.8% 0.095 12.8)
-
Step 400
400
#EF7484
oklch(70.6% 0.152 13.7)
-
Step 500
500
#E64766
oklch(63.1% 0.195 13.5)
-
Step 600
600 (this color)
#CB0C49
oklch(53.9% 0.211 13.5)
-
Step 700
700
#B4003F
oklch(49% 0.196 13.2)
-
Step 800
800
#920D34
oklch(42.6% 0.162 13.2)
-
Step 900
900
#76192D
oklch(37.8% 0.127 13.8)
-
Step 950
950
#45111B
oklch(26.9% 0.08 12.9)
#CB0C49 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) | #504F4A | 0.239 |
| Deuteranopia (no green cones) | #7E7344 | 0.214 |
| Tritanopia (no blue cones) | #DF002C | 0.053 |
| Achromatopsia (no color) | #676767 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB0C49
#CB0C49
oklch(53.9% 0.211 13.5)
- #007F7E
#007F7E
oklch(54% 0.092 193.8)
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 #CB0C49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.005
- Lipstick #D5174E ΔE 0.024
- Cherry #CF0234 ΔE 0.026
- Rose Red #BE013C ΔE 0.032
- Lipstick Red #C0022F ΔE 0.039
- Crimson #DC143C ΔE 0.042
- Dark Hot Pink #D90166 ΔE 0.049
- Cerise #DE0C62 ΔE 0.050
Use #CB0C49 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.