#D52E23
Closest named color: Crimson (#DC143C). oklch(57% 0.204 29.1), rgb(213, 46, 35).
Aa
White text reads best on this color (4.94:1).
About this color
#D52E23 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.204 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.038 away. White text reads best on it, at 4.94:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #D52E23 |
| RGB | rgb(213, 46, 35) |
| HSL | hsl(4, 72%, 49%) |
| OKLCH | oklch(57% 0.204 29.1) |
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 #D52E23 | 4.94:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #D52E23 | 4.24:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #D52E23 text on white | 4.94:1 | AA | Lc 72.6 | Content text, not long reading |
| #D52E23 text on black | 4.24:1 | AA large text | Lc -29.1 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC6
oklch(88.4% 0.051 28.7)
-
Step 300
300
#F6AA9E
oklch(80.8% 0.092 29.2)
-
Step 400
400
#EE796A
oklch(70.7% 0.147 28.8)
-
Step 500
500
#E54F40
oklch(63.1% 0.189 29.1)
-
Step 600
600 (this color)
#D52E23
oklch(57% 0.204 29.1)
-
Step 700
700
#B4160F
oklch(49.2% 0.19 29.2)
-
Step 800
800
#921811
oklch(42.7% 0.158 29.1)
-
Step 900
900
#751E16
oklch(37.7% 0.122 29.3)
-
Step 950
950
#45130E
oklch(26.9% 0.078 28.9)
#D52E23 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) | #64591F | 0.219 |
| Deuteranopia (no green cones) | #8C7D19 | 0.200 |
| Tritanopia (no blue cones) | #EB002E | 0.047 |
| Achromatopsia (no color) | #707070 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D52E23
#D52E23
oklch(57% 0.204 29.1)
- #008796
#008796
oklch(57% 0.098 208.5)
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 #D52E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.038
- Cherry #CF0234 ΔE 0.045
- Tomato Red #EC2D01 ΔE 0.047
- Faded Red #D3494E ΔE 0.047
- Imperial Red #E63946 ΔE 0.049
- Dull Red #BB3F3F ΔE 0.053
- Red Pantone #EF233C ΔE 0.056
- Dark Coral #CF524E ΔE 0.057
Use #D52E23 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.