#C23451
Closest named color: Dull Red (#BB3F3F). oklch(54.8% 0.178 13.8), rgb(194, 52, 81).
Aa
White text reads best on this color (5.37:1).
About this color
#C23451 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.178 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.035 away. White text reads best on it, at 5.37:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #C23451 |
| RGB | rgb(194, 52, 81) |
| HSL | hsl(348, 58%, 48%) |
| OKLCH | oklch(54.8% 0.178 13.8) |
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 #C23451 | 5.37:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #C23451 | 3.90:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #C23451 text on white | 5.37:1 | AA | Lc 75.6 | Fine for body text |
| #C23451 text on black | 3.90:1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CED0
oklch(88.5% 0.044 14.5)
-
Step 300
300
#F0ACB1
oklch(81% 0.08 14.1)
-
Step 400
400
#E57D88
oklch(70.8% 0.129 14.2)
-
Step 500
500
#DA576B
oklch(63.1% 0.164 13.9)
-
Step 600
600 (this color)
#C23451
oklch(54.8% 0.178 13.8)
-
Step 700
700
#A92744
oklch(49% 0.165 13.5)
-
Step 800
800
#8A2338
oklch(42.7% 0.138 13.7)
-
Step 900
900
#6F2330
oklch(37.7% 0.107 13.8)
-
Step 950
950
#41161C
oklch(27% 0.067 14.3)
#C23451 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) | #5A5851 | 0.197 |
| Deuteranopia (no green cones) | #7E754D | 0.181 |
| Tritanopia (no blue cones) | #D40640 | 0.044 |
| Achromatopsia (no color) | #6A6A6A | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C23451
#C23451
oklch(54.8% 0.178 13.8)
- #008281
#008281
oklch(54.9% 0.094 193.8)
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 #C23451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.035
- Dark Rose #B5485D ΔE 0.037
- Dusty Red #B9484E ΔE 0.037
- Ruby #CA0147 ΔE 0.038
- Deep Rose #C74767 ΔE 0.040
- Lipstick #D5174E ΔE 0.040
- Dark Pink #CB416B ΔE 0.042
- Cherry #CF0234 ΔE 0.045
Use #C23451 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.