#E3755B
Closest named color: Burnt Sienna (#E76F51). oklch(68.3% 0.143 34.4), rgb(227, 117, 91).
Aa
Black text reads best on this color (6.96:1).
About this color
#E3755B is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.143 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.014 away. Black text reads best on it, at 6.96:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #E3755B |
| RGB | rgb(227, 117, 91) |
| HSL | hsl(11, 71%, 62%) |
| OKLCH | oklch(68.3% 0.143 34.4) |
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 #E3755B | 3.01:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #E3755B | 6.96:1 | AA | Lc 47.6 | Large or bold text, headings |
| #E3755B text on white | 3.01:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #E3755B text on black | 6.96:1 | AA | Lc -45.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC4
oklch(88.5% 0.05 33.6)
-
Step 300
300
#F4AC9A
oklch(80.8% 0.089 34.6)
-
Step 400
400 (this color)
#E3755B
oklch(68.3% 0.143 34.4)
-
Step 500
500
#E25534
oklch(63.2% 0.182 34.5)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700
#AD2800
oklch(49% 0.174 34.5)
-
Step 800
800
#8F1F00
oklch(42.6% 0.152 34.4)
-
Step 900
900
#73210E
oklch(37.6% 0.119 34.2)
-
Step 950
950
#44150A
oklch(27% 0.075 34.5)
#E3755B 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) | #918658 | 0.142 |
| Deuteranopia (no green cones) | #AC9E59 | 0.132 |
| Tritanopia (no blue cones) | #F7616F | 0.062 |
| Achromatopsia (no color) | #949494 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3755B
#E3755B
oklch(68.3% 0.143 34.4)
- #00ACC7
#00ACC7
oklch(68.5% 0.12 214.1)
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 #E3755B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.014
- Dark Peach #DE7E5D ΔE 0.021
- Orange Pink #FF6F52 ΔE 0.049
- Pinkish Orange #FF724C ΔE 0.050
- Melon #FF7855 ΔE 0.052
- Light Coral #F08080 ΔE 0.053
- Tomato #FF6347 ΔE 0.055
- Salmon #FA8072 ΔE 0.055
Use #E3755B 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.