#D3531A
Closest named color: Deep Orange (#DC4D01). oklch(60.4% 0.174 40.8), rgb(211, 83, 26).
Aa
Black text reads best on this color (5.02:1).
About this color
#D3531A is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.174 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.018 away. Black text reads best on it, at 5.02:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.02:1 |
| White text | 4.18:1 |
Values
| HEX | #D3531A |
| RGB | rgb(211, 83, 26) |
| HSL | hsl(18, 78%, 46%) |
| OKLCH | oklch(60.4% 0.174 40.8) |
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 #D3531A | 4.18:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #D3531A | 5.02:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #D3531A text on white | 4.18:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #D3531A text on black | 5.02:1 | AA | Lc -33.7 | 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
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F6D0C2
oklch(88.6% 0.047 41.3)
-
Step 300
300
#F1AF97
oklch(81% 0.085 40.8)
-
Step 400
400
#E7815B
oklch(70.8% 0.136 40.9)
-
Step 500
500 (this color)
#D3531A
oklch(60.4% 0.174 40.8)
-
Step 600
600
#C14400
oklch(55.5% 0.172 40.7)
-
Step 700
700
#A43800
oklch(49.1% 0.153 40.5)
-
Step 800
800
#872D00
oklch(42.7% 0.132 40.7)
-
Step 900
900
#712603
oklch(37.8% 0.114 40.8)
-
Step 950
950
#421706
oklch(26.9% 0.072 40.8)
#D3531A 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) | #786A0D | 0.171 |
| Deuteranopia (no green cones) | #978712 | 0.155 |
| Tritanopia (no blue cones) | #E83149 | 0.081 |
| Achromatopsia (no color) | #7C7C7C | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D3531A
#D3531A
oklch(60.4% 0.174 40.8)
- #0090B0
#0090B0
oklch(60.5% 0.111 220.9)
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 #D3531A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.018
- Rusty Orange #CD5909 ΔE 0.018
- Rust Orange #C45508 ΔE 0.030
- Terra Cotta #C9643B ΔE 0.036
- Terracotta #CA6641 ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.041
- Brick Orange #C14A09 ΔE 0.042
- Terracota #CB6843 ΔE 0.044
Use #D3531A 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.