#E15E1B
Closest named color: Chocolate (#D2691E). oklch(64% 0.179 42.9), rgb(225, 94, 27).
Aa
Black text reads best on this color (5.81:1).
About this color
#E15E1B is a medium-light, vivid orange. In OKLCH its lightness is 64%, its chroma 0.179 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate (#D2691E), ΔE 0.033 away. Black text reads best on it, at 5.81:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Chocolate (#D2691E) |
| Black text | 5.81:1 |
| White text | 3.60:1 |
Values
| HEX | #E15E1B |
| RGB | rgb(225, 94, 27) |
| HSL | hsl(20, 79%, 49%) |
| OKLCH | oklch(64% 0.179 42.9) |
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 #E15E1B | 3.60:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #E15E1B | 5.81:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #E15E1B text on white | 3.60:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #E15E1B text on black | 5.81:1 | AA | Lc -38.8 | 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
#F6D0C0
oklch(88.6% 0.048 44.1)
-
Step 300
300
#F2AF94
oklch(81% 0.087 42.9)
-
Step 400
400
#E88155
oklch(70.8% 0.14 43.2)
-
Step 500
500 (this color)
#E15E1B
oklch(64% 0.179 42.9)
-
Step 600
600
#BE4800
oklch(55.5% 0.165 42.7)
-
Step 700
700
#A13C00
oklch(49.1% 0.146 42.8)
-
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
#431704
oklch(27% 0.074 42.2)
#E15E1B 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) | #84740B | 0.171 |
| Deuteranopia (no green cones) | #A49213 | 0.155 |
| Tritanopia (no blue cones) | #F83D52 | 0.089 |
| Achromatopsia (no color) | #878787 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E15E1B
#E15E1B
oklch(64% 0.179 42.9)
- #009BC1
#009BC1
oklch(64% 0.12 223.3)
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 #E15E1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate #D2691E ΔE 0.033
- Deep Orange #DC4D01 ΔE 0.034
- Rusty Orange #CD5909 ΔE 0.042
- Terracota #CB6843 ΔE 0.045
- Terra Cotta #C9643B ΔE 0.046
- Terracotta #CA6641 ΔE 0.046
- Rust #CA6702 ΔE 0.047
- Orange Pant #FB5607 ΔE 0.047
Use #E15E1B 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.