#D55F31
Closest named color: Terra Cotta (#C9643B). oklch(62.5% 0.16 40.5), rgb(213, 95, 49).
Aa
Black text reads best on this color (5.51:1).
About this color
#D55F31 is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.160 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.023 away. Black text reads best on it, at 5.51:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.51:1 |
| White text | 3.81:1 |
Values
| HEX | #D55F31 |
| RGB | rgb(213, 95, 49) |
| HSL | hsl(17, 66%, 51%) |
| OKLCH | oklch(62.5% 0.16 40.5) |
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 #D55F31 | 3.81:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #D55F31 | 5.51:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #D55F31 text on white | 3.81:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #D55F31 text on black | 5.51:1 | AA | Lc -36.7 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EDB09A
oklch(80.8% 0.078 40.7)
-
Step 400
400
#E28462
oklch(70.7% 0.125 40.5)
-
Step 500
500 (this color)
#D55F31
oklch(62.5% 0.16 40.5)
-
Step 600
600
#C24400
oklch(55.7% 0.173 40.6)
-
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
#6D290D
oklch(37.6% 0.104 40.5)
-
Step 950
950
#40190A
oklch(26.9% 0.066 40.6)
#D55F31 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) | #80722B | 0.155 |
| Deuteranopia (no green cones) | #9D8D2E | 0.142 |
| Tritanopia (no blue cones) | #EA4555 | 0.076 |
| Achromatopsia (no color) | #838383 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D55F31
#D55F31
oklch(62.5% 0.16 40.5)
- #0097B8
#0097B8
oklch(62.6% 0.114 220.6)
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 #D55F31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.023
- Terracotta #CA6641 ΔE 0.024
- Terracota #CB6843 ΔE 0.025
- Rusty Orange #CD5909 ΔE 0.029
- Chocolate #D2691E ΔE 0.029
- Deep Orange #DC4D01 ΔE 0.034
- Rust #CA6702 ΔE 0.039
- Pale Red #D9544D ΔE 0.042
Use #D55F31 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.