#D53B0B
Closest named color: Deep Orange (#DC4D01). oklch(57.9% 0.197 35.2), rgb(213, 59, 11).
Aa
White text reads best on this color (4.70:1).
About this color
#D53B0B is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.197 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.036 away. White text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 4.45:1 |
| White text | 4.70:1 |
Values
| HEX | #D53B0B |
| RGB | rgb(213, 59, 11) |
| HSL | hsl(14, 90%, 44%) |
| OKLCH | oklch(57.9% 0.197 35.2) |
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 #D53B0B | 4.70:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #D53B0B | 4.45:1 | AA large text | Lc 32.8 | Non-text elements, placeholder text |
| #D53B0B text on white | 4.70:1 | AA | Lc 71.3 | Content text, not long reading |
| #D53B0B text on black | 4.45:1 | AA large text | Lc -30.4 | Non-text elements, placeholder text |
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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DE
oklch(93.5% 0.026 35.7)
-
Step 200
200
#F8CEC3
oklch(88.5% 0.05 35.1)
-
Step 300
300
#F4AC9A
oklch(80.8% 0.089 34.6)
-
Step 400
400
#EB7D61
oklch(70.7% 0.142 35.3)
-
Step 500
500
#E15532
oklch(63% 0.182 35.1)
-
Step 600
600 (this color)
#D53B0B
oklch(57.9% 0.197 35.2)
-
Step 700
700
#AC2B00
oklch(49.1% 0.171 35.3)
-
Step 800
800
#8E2200
oklch(42.7% 0.148 35.4)
-
Step 900
900
#73220C
oklch(37.7% 0.118 35.4)
-
Step 950
950
#44150A
oklch(27% 0.075 34.5)
#D53B0B 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) | #6B5E00 | 0.205 |
| Deuteranopia (no green cones) | #918000 | 0.184 |
| Tritanopia (no blue cones) | #EB0034 | 0.066 |
| Achromatopsia (no color) | #737373 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D53B0B
#D53B0B
oklch(57.9% 0.197 35.2)
- #0089A0
#0089A0
oklch(58% 0.102 215)
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 #D53B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.036
- Brick Orange #C14A09 ΔE 0.042
- Tomato Red #EC2D01 ΔE 0.044
- Burnt Orange #C04E01 ΔE 0.048
- Rust Orange #C45508 ΔE 0.051
- Sinopia #BB3E03 ΔE 0.051
- Faded Red #D3494E ΔE 0.052
- Rusty Orange #CD5909 ΔE 0.052
Use #D53B0B 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.