#D5581D
Closest named color: Rusty Orange (#CD5909). oklch(61.4% 0.171 42), rgb(213, 88, 29).
Aa
Black text reads best on this color (5.24:1).
About this color
#D5581D is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.171 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.018 away. Black text reads best on it, at 5.24:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #D5581D |
| RGB | rgb(213, 88, 29) |
| HSL | hsl(19, 76%, 47%) |
| OKLCH | oklch(61.4% 0.171 42) |
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 #D5581D | 4.00:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #D5581D | 5.24:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #D5581D text on white | 4.00:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #D5581D text on black | 5.24:1 | AA | Lc -35.1 | 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
#F9E5DD
oklch(93.6% 0.025 43.2)
-
Step 200
200
#F5D0C2
oklch(88.5% 0.046 41.8)
-
Step 300
300
#F0AF96
oklch(80.9% 0.084 41.9)
-
Step 400
400
#E5825B
oklch(70.7% 0.133 41.9)
-
Step 500
500 (this color)
#D5581D
oklch(61.4% 0.171 42)
-
Step 600
600
#C04700
oklch(55.7% 0.168 42)
-
Step 700
700
#A23B00
oklch(49.2% 0.148 42.2)
-
Step 800
800
#862F00
oklch(42.8% 0.129 42)
-
Step 900
900
#702702
oklch(37.8% 0.112 42)
-
Step 950
950
#421806
oklch(27% 0.071 42)
#D5581D 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) | #7C6D11 | 0.165 |
| Deuteranopia (no green cones) | #9B8A16 | 0.150 |
| Tritanopia (no blue cones) | #EA394D | 0.082 |
| Achromatopsia (no color) | #7F7F7F | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5581D
#D5581D
oklch(61.4% 0.171 42)
- #0093B5
#0093B5
oklch(61.5% 0.113 221.8)
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 #D5581D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.018
- Deep Orange #DC4D01 ΔE 0.021
- Terra Cotta #C9643B ΔE 0.031
- Terracotta #CA6641 ΔE 0.035
- Chocolate #D2691E ΔE 0.035
- Rust Orange #C45508 ΔE 0.036
- Terracota #CB6843 ΔE 0.038
- Rust #CA6702 ΔE 0.040
Use #D5581D 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.