#C33257
Closest named color: Ruby (#CA0147). oklch(54.9% 0.181 10.9), rgb(195, 50, 87).
Aa
White text reads best on this color (5.36:1).
About this color
#C33257 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.181 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.036 away. White text reads best on it, at 5.36:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #C33257 |
| RGB | rgb(195, 50, 87) |
| HSL | hsl(345, 59%, 48%) |
| OKLCH | oklch(54.9% 0.181 10.9) |
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 #C33257 | 5.36:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #C33257 | 3.91:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #C33257 text on white | 5.36:1 | AA | Lc 75.4 | Fine for body text |
| #C33257 text on black | 3.91:1 | AA large text | Lc -26.3 | 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
#FDF3F4
oklch(97.2% 0.011 10.3)
-
Step 100
100
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F5CDD2
oklch(88.4% 0.046 9.6)
-
Step 300
300
#F0ABB4
oklch(80.9% 0.082 10.4)
-
Step 400
400
#E57C8D
oklch(70.7% 0.13 10.7)
-
Step 500
500
#DA5670
oklch(63.1% 0.166 11.2)
-
Step 600
600 (this color)
#C33257
oklch(54.9% 0.181 10.9)
-
Step 700
700
#AA2549
oklch(49.1% 0.169 10.8)
-
Step 800
800
#8A223C
oklch(42.7% 0.139 10.9)
-
Step 900
900
#6F2233
oklch(37.6% 0.109 10.9)
-
Step 950
950
#41151E
oklch(26.9% 0.069 10.4)
#C33257 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) | #585858 | 0.202 |
| Deuteranopia (no green cones) | #7D7553 | 0.185 |
| Tritanopia (no blue cones) | #D50341 | 0.045 |
| Achromatopsia (no color) | #6B6B6B | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C33257
#C33257
oklch(54.9% 0.181 10.9)
- #00837E
#00837E
oklch(55% 0.095 190.1)
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 #C33257, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.036
- Dark Pink #CB416B ΔE 0.037
- Deep Rose #C74767 ΔE 0.037
- Lipstick #D5174E ΔE 0.038
- Dark Rose #B5485D ΔE 0.039
- Dusty Red #B9484E ΔE 0.044
- Dull Red #BB3F3F ΔE 0.045
- Rose Red #BE013C ΔE 0.049
Use #C33257 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.