#E15A2B
Closest named color: Deep Orange (#DC4D01). oklch(63.6% 0.179 38.5), rgb(225, 90, 43).
Aa
Black text reads best on this color (5.69:1).
About this color
#E15A2B is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.179 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.029 away. Black text reads best on it, at 5.69:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #E15A2B |
| RGB | rgb(225, 90, 43) |
| HSL | hsl(15, 75%, 53%) |
| OKLCH | oklch(63.6% 0.179 38.5) |
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 #E15A2B | 3.68:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #E15A2B | 5.69:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #E15A2B text on white | 3.68:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #E15A2B text on black | 5.69:1 | AA | Lc -38.1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F7CFC2
oklch(88.5% 0.049 38.8)
-
Step 300
300
#F3AD97
oklch(80.9% 0.088 38.2)
-
Step 400
400
#E97F5D
oklch(70.7% 0.139 38.5)
-
Step 500
500 (this color)
#E15A2B
oklch(63.6% 0.179 38.5)
-
Step 600
600
#C53F00
oklch(55.6% 0.18 38.6)
-
Step 700
700
#A73400
oklch(49.2% 0.159 38.6)
-
Step 800
800
#8A2900
oklch(42.7% 0.139 38.4)
-
Step 900
900
#722405
oklch(37.7% 0.116 38.8)
-
Step 950
950
#431607
oklch(26.9% 0.074 38.4)
#E15A2B 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) | #807224 | 0.178 |
| Deuteranopia (no green cones) | #A29025 | 0.161 |
| Tritanopia (no blue cones) | #F73851 | 0.079 |
| Achromatopsia (no color) | #858585 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E15A2B
#E15A2B
oklch(63.6% 0.179 38.5)
- #009BB9
#009BB9
oklch(63.6% 0.114 218)
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 #E15A2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.029
- Chocolate #D2691E ΔE 0.042
- Pale Red #D9544D ΔE 0.042
- Rusty Orange #CD5909 ΔE 0.043
- Terracotta #CA6641 ΔE 0.044
- Terracota #CB6843 ΔE 0.044
- Terra Cotta #C9643B ΔE 0.044
- Pastel Red #DB5856 ΔE 0.046
Use #E15A2B 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.