#D55E10
Closest named color: Rusty Orange (#CD5909). oklch(62.2% 0.169 46.2), rgb(213, 94, 16).
Aa
Black text reads best on this color (5.43:1).
About this color
#D55E10 is a medium-light, vivid orange. In OKLCH its lightness is 62%, its chroma 0.169 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.020 away. Black text reads best on it, at 5.43:1.
| Hue family | Oranges |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #D55E10 |
| RGB | rgb(213, 94, 16) |
| HSL | hsl(24, 86%, 45%) |
| OKLCH | oklch(62.2% 0.169 46.2) |
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 #D55E10 | 3.86:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #D55E10 | 5.43:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #D55E10 text on white | 3.86:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #D55E10 text on black | 5.43:1 | AA | Lc -36.4 | 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 500.
-
Step 50
50
#FCF3EF
oklch(97% 0.011 45.7)
-
Step 100
100
#F8E5DD
oklch(93.5% 0.024 44.3)
-
Step 200
200
#F4D1C0
oklch(88.6% 0.046 47.5)
-
Step 300
300
#EEB194
oklch(81% 0.082 46.5)
-
Step 400
400
#E38455
oklch(70.7% 0.132 46.2)
-
Step 500
500 (this color)
#D55E10
oklch(62.2% 0.169 46.2)
-
Step 600
600
#B94E00
oklch(55.5% 0.156 46.2)
-
Step 700
700
#9D4100
oklch(49.2% 0.138 46.2)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900
#6D2B00
oklch(37.8% 0.106 46.3)
-
Step 950
950
#411904
oklch(27% 0.07 45.6)
#D55E10 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) | #817100 | 0.155 |
| Deuteranopia (no green cones) | #9E8C06 | 0.141 |
| Tritanopia (no blue cones) | #EA4151 | 0.091 |
| Achromatopsia (no color) | #828282 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D55E10
#D55E10
oklch(62.2% 0.169 46.2)
- #0094BD
#0094BD
oklch(62.1% 0.119 226.2)
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 #D55E10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.020
- Chocolate #D2691E ΔE 0.022
- Rust #CA6702 ΔE 0.028
- Deep Orange #DC4D01 ΔE 0.031
- Terra Cotta #C9643B ΔE 0.031
- Browny Orange #CA6B02 ΔE 0.034
- Terracotta #CA6641 ΔE 0.035
- Terracota #CB6843 ΔE 0.036
Use #D55E10 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.