#E15631
Closest named color: Deep Orange (#DC4D01). oklch(63.2% 0.181 35.7), rgb(225, 86, 49).
Aa
Black text reads best on this color (5.57:1).
About this color
#E15631 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.181 and its hue 36°. 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 5.57:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #E15631 |
| RGB | rgb(225, 86, 49) |
| HSL | hsl(13, 75%, 54%) |
| OKLCH | oklch(63.2% 0.181 35.7) |
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 #E15631 | 3.76:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #E15631 | 5.57:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #E15631 text on white | 3.76:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #E15631 text on black | 5.57:1 | AA | Lc -37.4 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DE
oklch(93.5% 0.026 35.7)
-
Step 200
200
#F8CEC3
oklch(88.5% 0.05 35.1)
-
Step 300
300
#F4AD99
oklch(81% 0.089 36.4)
-
Step 400
400
#EB7D60
oklch(70.7% 0.142 35.8)
-
Step 500
500 (this color)
#E15631
oklch(63.2% 0.181 35.7)
-
Step 600
600
#CA3600
oklch(55.5% 0.191 35.7)
-
Step 700
700
#AB2C00
oklch(49% 0.169 35.7)
-
Step 800
800
#8E2300
oklch(42.8% 0.148 35.7)
-
Step 900
900
#73220B
oklch(37.7% 0.118 35.7)
-
Step 950
950
#441609
oklch(27.1% 0.075 36.4)
#E15631 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) | #7D702C | 0.184 |
| Deuteranopia (no green cones) | #A08F2C | 0.167 |
| Tritanopia (no blue cones) | #F7324F | 0.074 |
| Achromatopsia (no color) | #848484 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E15631
#E15631
oklch(63.2% 0.181 35.7)
- #009AB4
#009AB4
oklch(63.2% 0.112 215.3)
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 #E15631, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.028
- Pale Red #D9544D ΔE 0.033
- Pastel Red #DB5856 ΔE 0.039
- Rusty Orange #CD5909 ΔE 0.046
- Terracotta #CA6641 ΔE 0.047
- Terra Cotta #C9643B ΔE 0.047
- Terracota #CB6843 ΔE 0.047
- Dark Coral #CF524E ΔE 0.048
Use #E15631 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.