#E75931
Closest named color: Deep Orange (#DC4D01). oklch(64.5% 0.185 36.2), rgb(231, 89, 49).
Aa
Black text reads best on this color (5.87:1).
About this color
#E75931 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.185 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.037 away. Black text reads best on it, at 5.87:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #E75931 |
| RGB | rgb(231, 89, 49) |
| HSL | hsl(13, 79%, 55%) |
| OKLCH | oklch(64.5% 0.185 36.2) |
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 #E75931 | 3.57:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #E75931 | 5.87:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #E75931 text on white | 3.57:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #E75931 text on black | 5.87:1 | AA | Lc -39.3 | 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
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F8CEC3
oklch(88.5% 0.05 35.1)
-
Step 300
300
#F5AC98
oklch(80.9% 0.091 35.9)
-
Step 400
400
#EC7C5E
oklch(70.7% 0.145 36)
-
Step 500
500 (this color)
#E75931
oklch(64.5% 0.185 36.2)
-
Step 600
600
#C93800
oklch(55.5% 0.189 36.3)
-
Step 700
700
#AA2E00
oklch(49% 0.167 36.3)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#742108
oklch(37.7% 0.121 36)
-
Step 950
950
#441508
oklch(27% 0.076 36.2)
#E75931 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) | #81742B | 0.187 |
| Deuteranopia (no green cones) | #A4932B | 0.170 |
| Tritanopia (no blue cones) | #FE3451 | 0.077 |
| Achromatopsia (no color) | #878787 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E75931
#E75931
oklch(64.5% 0.185 36.2)
- #009EBA
#009EBA
oklch(64.4% 0.115 216.3)
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 #E75931, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.037
- Orange Pant #FB5607 ΔE 0.039
- Pale Red #D9544D ΔE 0.042
- Orangey Red #FA4224 ΔE 0.043
- Blood Orange #FE4B03 ΔE 0.044
- Burnt Sienna #E76F51 ΔE 0.044
- Pastel Red #DB5856 ΔE 0.045
- Orangered #FE420F ΔE 0.047
Use #E75931 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.