#D52B13
Closest named color: Crimson (#DC143C). oklch(56.6% 0.208 31.2), rgb(213, 43, 19).
Aa
White text reads best on this color (5.01:1).
About this color
#D52B13 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.208 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.044 away. White text reads best on it, at 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #D52B13 |
| RGB | rgb(213, 43, 19) |
| HSL | hsl(7, 84%, 45%) |
| OKLCH | oklch(56.6% 0.208 31.2) |
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 #D52B13 | 5.01:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #D52B13 | 4.18:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #D52B13 text on white | 5.01:1 | AA | Lc 72.9 | Content text, not long reading |
| #D52B13 text on black | 4.18:1 | AA large text | Lc -28.8 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC4
oklch(88.5% 0.053 31.3)
-
Step 300
300
#F7AA9C
oklch(80.9% 0.094 30.6)
-
Step 400
400
#EF7965
oklch(70.7% 0.149 31.1)
-
Step 500
500
#E64F38
oklch(63.2% 0.191 31.4)
-
Step 600
600 (this color)
#D52B13
oklch(56.6% 0.208 31.2)
-
Step 700
700
#B41800
oklch(49.2% 0.19 31.3)
-
Step 800
800
#931706
oklch(42.8% 0.16 31.1)
-
Step 900
900
#761D11
oklch(37.7% 0.125 31)
-
Step 950
950
#45130C
oklch(26.9% 0.079 30.8)
#D52B13 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) | #63570A | 0.223 |
| Deuteranopia (no green cones) | #8C7C00 | 0.200 |
| Tritanopia (no blue cones) | #EB0029 | 0.049 |
| Achromatopsia (no color) | #6F6F6F | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D52B13
#D52B13
oklch(56.6% 0.208 31.2)
- #008597
#008597
oklch(56.6% 0.098 211.3)
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 #D52B13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.044
- Tomato Red #EC2D01 ΔE 0.047
- Cherry #CF0234 ΔE 0.048
- Sinopia #BB3E03 ΔE 0.054
- Brick Orange #C14A09 ΔE 0.055
- Faded Red #D3494E ΔE 0.055
- Imperial Red #E63946 ΔE 0.056
- Deep Orange #DC4D01 ΔE 0.056
Use #D52B13 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.