#E15B17
Closest named color: Deep Orange (#DC4D01). oklch(63.6% 0.182 42.3), rgb(225, 91, 23).
Aa
Black text reads best on this color (5.71:1).
About this color
#E15B17 is a medium-light, vivid orange. In OKLCH its lightness is 64%, its chroma 0.182 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.028 away. Black text reads best on it, at 5.71:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #E15B17 |
| RGB | rgb(225, 91, 23) |
| HSL | hsl(20, 81%, 49%) |
| OKLCH | oklch(63.6% 0.182 42.3) |
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 #E15B17 | 3.67:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #E15B17 | 5.71:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #E15B17 text on white | 3.67:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #E15B17 text on black | 5.71:1 | AA | Lc -38.2 | 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)
#E15B17
oklch(63.6% 0.182 42.3)
-
Step 600
600
#BF4700
oklch(55.5% 0.167 42.1)
-
Step 700
700
#A23B00
oklch(49.2% 0.148 42.2)
-
Step 800
800
#852F00
oklch(42.6% 0.128 42.2)
-
Step 900
900
#702600
oklch(37.6% 0.113 42)
-
Step 950
950
#431703
oklch(27% 0.075 43)
#E15B17 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) | #827203 | 0.176 |
| Deuteranopia (no green cones) | #A3910D | 0.159 |
| Tritanopia (no blue cones) | #F8384F | 0.088 |
| Achromatopsia (no color) | #858585 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E15B17
#E15B17
oklch(63.6% 0.182 42.3)
- #009ABE
#009ABE
oklch(63.6% 0.118 222.2)
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 #E15B17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.028
- Chocolate #D2691E ΔE 0.036
- Rusty Orange #CD5909 ΔE 0.040
- Terra Cotta #C9643B ΔE 0.046
- Terracota #CB6843 ΔE 0.047
- Terracotta #CA6641 ΔE 0.047
- Orange Pant #FB5607 ΔE 0.047
- Rust #CA6702 ΔE 0.048
Use #E15B17 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.