#D5521C
Closest named color: Deep Orange (#DC4D01). oklch(60.6% 0.176 39.9), rgb(213, 82, 28).
Aa
Black text reads best on this color (5.05:1).
About this color
#D5521C is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.176 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.015 away. Black text reads best on it, at 5.05:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #D5521C |
| RGB | rgb(213, 82, 28) |
| HSL | hsl(18, 77%, 47%) |
| OKLCH | oklch(60.6% 0.176 39.9) |
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 #D5521C | 4.15:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #D5521C | 5.05:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #D5521C text on white | 4.15:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #D5521C text on black | 5.05:1 | AA | Lc -34.0 | 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 500.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F6CFC2
oklch(88.4% 0.048 39.3)
-
Step 300
300
#F2AE97
oklch(80.9% 0.087 39.5)
-
Step 400
400
#E8805B
oklch(70.7% 0.138 40.1)
-
Step 500
500 (this color)
#D5521C
oklch(60.6% 0.176 39.9)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#712504
oklch(37.7% 0.115 39.9)
-
Step 950
950
#431707
oklch(27.1% 0.073 39.5)
#D5521C 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) | #786A11 | 0.174 |
| Deuteranopia (no green cones) | #988714 | 0.158 |
| Tritanopia (no blue cones) | #EB2F48 | 0.080 |
| Achromatopsia (no color) | #7C7C7C | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5521C
#D5521C
oklch(60.6% 0.176 39.9)
- #0091AF
#0091AF
oklch(60.7% 0.11 219.3)
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 #D5521C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.015
- Rusty Orange #CD5909 ΔE 0.022
- Rust Orange #C45508 ΔE 0.034
- Terra Cotta #C9643B ΔE 0.038
- Terracotta #CA6641 ΔE 0.042
- Pale Red #D9544D ΔE 0.044
- Burnt Orange #C04E01 ΔE 0.044
- Brick Orange #C14A09 ΔE 0.045
Use #D5521C 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.