#E75C3F
Closest named color: Burnt Sienna (#E76F51). oklch(65% 0.179 33.5), rgb(231, 92, 63).
Aa
Black text reads best on this color (6.00:1).
About this color
#E75C3F is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.179 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.037 away. Black text reads best on it, at 6.00:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #E75C3F |
| RGB | rgb(231, 92, 63) |
| HSL | hsl(10, 78%, 58%) |
| OKLCH | oklch(65% 0.179 33.5) |
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 #E75C3F | 3.49:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #E75C3F | 6.00:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #E75C3F text on white | 3.49:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #E75C3F text on black | 6.00:1 | AA | Lc -40.0 | 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
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CEC5
oklch(88.4% 0.048 32.5)
-
Step 300
300
#F3AC9C
oklch(80.8% 0.087 33.1)
-
Step 400
400
#EA7D65
oklch(70.7% 0.14 33.6)
-
Step 500
500 (this color)
#E75C3F
oklch(65% 0.179 33.5)
-
Step 600
600
#CC330F
oklch(55.6% 0.194 33.5)
-
Step 700
700
#AF2400
oklch(49.1% 0.179 33.5)
-
Step 800
800
#8F2007
oklch(42.7% 0.15 33.3)
-
Step 900
900
#732211
oklch(37.7% 0.117 33.5)
-
Step 950
950
#44150C
oklch(27% 0.075 32.8)
#E75C3F 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) | #82763B | 0.183 |
| Deuteranopia (no green cones) | #A5943B | 0.166 |
| Tritanopia (no blue cones) | #FD3B56 | 0.070 |
| Achromatopsia (no color) | #898989 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E75C3F
#E75C3F
oklch(65% 0.179 33.5)
- #00A0B9
#00A0B9
oklch(64.9% 0.114 214)
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 #E75C3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.037
- Pastel Red #DB5856 ΔE 0.037
- Pale Red #D9544D ΔE 0.038
- Orange Pant #FB5607 ΔE 0.044
- Orangey Red #FA4224 ΔE 0.046
- Deep Orange #DC4D01 ΔE 0.047
- Blood Orange #FE4B03 ΔE 0.049
- Grapefruit #FD5956 ΔE 0.049
Use #E75C3F 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.