#E75F40
Closest named color: Burnt Sienna (#E76F51). oklch(65.4% 0.176 34.3), rgb(231, 95, 64).
Aa
Black text reads best on this color (6.10:1).
About this color
#E75F40 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.176 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.031 away. Black text reads best on it, at 6.10:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.10:1 |
| White text | 3.43:1 |
Values
| HEX | #E75F40 |
| RGB | rgb(231, 95, 64) |
| HSL | hsl(11, 78%, 58%) |
| OKLCH | oklch(65.4% 0.176 34.3) |
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 #E75F40 | 3.43:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #E75F40 | 6.10:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #E75F40 text on white | 3.43:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #E75F40 text on black | 6.10:1 | AA | Lc -40.6 | 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
#F7CFC5
oklch(88.6% 0.047 34.3)
-
Step 300
300
#F3AD9C
oklch(81% 0.086 34.1)
-
Step 400
400
#E97E65
oklch(70.7% 0.138 34.2)
-
Step 500
500 (this color)
#E75F40
oklch(65.4% 0.176 34.3)
-
Step 600
600
#CA360E
oklch(55.6% 0.19 34.4)
-
Step 700
700
#AE2700
oklch(49.1% 0.176 34.2)
-
Step 800
800
#8E2206
oklch(42.7% 0.148 34.2)
-
Step 900
900
#722311
oklch(37.7% 0.115 34.2)
-
Step 950
950
#43160C
oklch(27% 0.072 34.1)
#E75F40 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) | #84783C | 0.179 |
| Deuteranopia (no green cones) | #A6963C | 0.164 |
| Tritanopia (no blue cones) | #FD4058 | 0.070 |
| Achromatopsia (no color) | #8A8A8A | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E75F40
#E75F40
oklch(65.4% 0.176 34.3)
- #00A2BB
#00A2BB
oklch(65.5% 0.115 213.8)
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 #E75F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.031
- Pastel Red #DB5856 ΔE 0.040
- Pale Red #D9544D ΔE 0.042
- Orange Pant #FB5607 ΔE 0.044
- Tomato #FF6347 ΔE 0.047
- Grapefruit #FD5956 ΔE 0.049
- Orangey Red #FA4224 ΔE 0.049
- Deep Orange #DC4D01 ΔE 0.050
Use #E75F40 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.