#C52D2C
Closest named color: Dull Red (#BB3F3F). oklch(54.1% 0.189 26.5), rgb(197, 45, 44).
Aa
White text reads best on this color (5.54:1).
About this color
#C52D2C is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.189 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.030 away. White text reads best on it, at 5.54:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.78:1 |
| White text | 5.54:1 |
Values
| HEX | #C52D2C |
| RGB | rgb(197, 45, 44) |
| HSL | hsl(0, 63%, 47%) |
| OKLCH | oklch(54.1% 0.189 26.5) |
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 #C52D2C | 5.54:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #C52D2C | 3.78:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #C52D2C text on white | 5.54:1 | AA | Lc 76.2 | Fine for body text |
| #C52D2C text on black | 3.78:1 | AA large text | Lc -25.5 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC9
oklch(88.5% 0.047 26.2)
-
Step 300
300
#F3ACA4
oklch(81% 0.085 26.3)
-
Step 400
400
#E97C72
oklch(70.6% 0.136 26.5)
-
Step 500
500
#DF554D
oklch(63.1% 0.174 26.6)
-
Step 600
600 (this color)
#C52D2C
oklch(54.1% 0.189 26.5)
-
Step 700
700
#AE2323
oklch(49% 0.175 26.6)
-
Step 800
800
#8E201F
oklch(42.7% 0.146 26.3)
-
Step 900
900
#72221E
oklch(37.7% 0.113 26.9)
-
Step 950
950
#431512
oklch(26.9% 0.072 26.7)
#C52D2C 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) | #5C532A | 0.204 |
| Deuteranopia (no green cones) | #827425 | 0.185 |
| Tritanopia (no blue cones) | #D9002F | 0.043 |
| Achromatopsia (no color) | #686868 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C52D2C
#C52D2C
oklch(54.1% 0.189 26.5)
- #007E8A
#007E8A
oklch(54.2% 0.093 206.5)
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 #C52D2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.030
- Cherry #CF0234 ΔE 0.035
- Lipstick Red #C0022F ΔE 0.039
- Scarlet #BE0119 ΔE 0.040
- Sinopia #BB3E03 ΔE 0.044
- Firebrick #B22222 ΔE 0.045
- Dusty Red #B9484E ΔE 0.048
- Rose Red #BE013C ΔE 0.050
Use #C52D2C 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.