#CB2045
Closest named color: Ruby (#CA0147). oklch(54.7% 0.202 16.6), rgb(203, 32, 69).
Aa
White text reads best on this color (5.48:1).
About this color
#CB2045 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.202 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.020 away. White text reads best on it, at 5.48:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.83:1 |
| White text | 5.48:1 |
Values
| HEX | #CB2045 |
| RGB | rgb(203, 32, 69) |
| HSL | hsl(347, 73%, 46%) |
| OKLCH | oklch(54.7% 0.202 16.6) |
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 #CB2045 | 5.48:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #CB2045 | 3.83:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #CB2045 text on white | 5.48:1 | AA | Lc 75.5 | Fine for body text |
| #CB2045 text on black | 3.83:1 | AA large text | Lc -26.2 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCD
oklch(88.4% 0.051 16.7)
-
Step 300
300
#F6A9AC
oklch(81% 0.091 16.7)
-
Step 400
400
#ED7780
oklch(70.7% 0.146 16.8)
-
Step 500
500
#E34D61
oklch(63.1% 0.185 16.5)
-
Step 600
600 (this color)
#CB2045
oklch(54.7% 0.202 16.6)
-
Step 700
700
#B21239
oklch(49.1% 0.188 16.6)
-
Step 800
800
#91162F
oklch(42.8% 0.156 16.9)
-
Step 900
900
#741C2A
oklch(37.6% 0.121 16.4)
-
Step 950
950
#441319
oklch(27% 0.075 16.6)
#CB2045 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) | #565345 | 0.226 |
| Deuteranopia (no green cones) | #817640 | 0.205 |
| Tritanopia (no blue cones) | #DF0031 | 0.043 |
| Achromatopsia (no color) | #696969 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB2045
#CB2045
oklch(54.7% 0.202 16.6)
- #008183
#008183
oklch(54.7% 0.093 196.7)
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 #CB2045, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.020
- Cherry #CF0234 ΔE 0.021
- Lipstick #D5174E ΔE 0.023
- Crimson #DC143C ΔE 0.034
- Rose Red #BE013C ΔE 0.038
- Lipstick Red #C0022F ΔE 0.038
- Dull Red #BB3F3F ΔE 0.048
- Scarlet #BE0119 ΔE 0.054
Use #CB2045 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.