#D55100
Closest named color: Deep Orange (#DC4D01). oklch(60.4% 0.181 42.5), rgb(213, 81, 0).
Aa
Black text reads best on this color (5.00:1).
About this color
#D55100 is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.181 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.014 away. Black text reads best on it, at 5.00:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #D55100 |
| RGB | rgb(213, 81, 0) |
| HSL | hsl(23, 100%, 42%) |
| OKLCH | oklch(60.4% 0.181 42.5) |
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 #D55100 | 4.19:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #D55100 | 5.00:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #D55100 text on white | 4.19:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #D55100 text on black | 5.00:1 | AA | Lc -33.8 | 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FAE5DD
oklch(93.7% 0.026 42.1)
-
Step 200
200
#F7CFC0
oklch(88.5% 0.05 41.6)
-
Step 300
300
#F2AE93
oklch(80.8% 0.089 42.6)
-
Step 400
400
#E98055
oklch(70.8% 0.142 42.4)
-
Step 500
500 (this color)
#D55100
oklch(60.4% 0.181 42.5)
-
Step 600
600
#BF4800
oklch(55.7% 0.166 42.5)
-
Step 700
700
#A13B00
oklch(49% 0.147 42.3)
-
Step 800
800
#853000
oklch(42.7% 0.127 42.7)
-
Step 900
900
#702700
oklch(37.7% 0.113 42.6)
-
Step 950
950
#431703
oklch(27% 0.075 43)
#D55100 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) | #786900 | 0.174 |
| Deuteranopia (no green cones) | #988700 | 0.158 |
| Tritanopia (no blue cones) | #EB2B45 | 0.087 |
| Achromatopsia (no color) | #7C7C7C | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D55100
#D55100
oklch(60.4% 0.181 42.5)
- #008FB1
#008FB1
oklch(60.3% 0.112 222.4)
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 #D55100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.014
- Rusty Orange #CD5909 ΔE 0.019
- Rust Orange #C45508 ΔE 0.032
- Burnt Orange #C04E01 ΔE 0.042
- Terra Cotta #C9643B ΔE 0.042
- Brick Orange #C14A09 ΔE 0.044
- Chocolate #D2691E ΔE 0.046
- Rust #CA6702 ΔE 0.046
Use #D55100 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.