#E37166
Closest named color: Burnt Sienna (#E76F51). oklch(67.9% 0.144 27.2), rgb(227, 113, 102).
Aa
Black text reads best on this color (6.82:1).
About this color
#E37166 is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.144 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.024 away. Black text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #E37166 |
| RGB | rgb(227, 113, 102) |
| HSL | hsl(5, 69%, 65%) |
| OKLCH | oklch(67.9% 0.144 27.2) |
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 #E37166 | 3.07:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #E37166 | 6.82:1 | AA | Lc 46.8 | Large or bold text, headings |
| #E37166 text on white | 3.07:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #E37166 text on black | 6.82:1 | AA | Lc -44.5 | 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 400.
-
Step 50
50
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC7
oklch(88.5% 0.051 27.2)
-
Step 300
300
#F5ABA1
oklch(80.9% 0.089 27.7)
-
Step 400
400 (this color)
#E37166
oklch(67.9% 0.144 27.2)
-
Step 500
500
#E35147
oklch(63.1% 0.183 27.5)
-
Step 600
600
#CF2B29
oklch(55.7% 0.2 27.2)
-
Step 700
700
#B2191B
oklch(49% 0.186 27.2)
-
Step 800
800
#911A19
oklch(42.7% 0.154 27.1)
-
Step 900
900
#741F1B
oklch(37.7% 0.119 27.2)
-
Step 950
950
#451411
oklch(27.1% 0.076 26.9)
#E37166 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) | #8C8465 | 0.150 |
| Deuteranopia (no green cones) | #A89C64 | 0.139 |
| Tritanopia (no blue cones) | #F75E6F | 0.052 |
| Achromatopsia (no color) | #939393 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E37166
#E37166
oklch(67.9% 0.144 27.2)
- #00ACBC
#00ACBC
oklch(68% 0.116 206.5)
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 #E37166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.024
- Dark Peach #DE7E5D ΔE 0.036
- Light Coral #F08080 ΔE 0.048
- Orange Pink #FF6F52 ΔE 0.053
- Coral Pink #FF6163 ΔE 0.054
- Pastel Red #DB5856 ΔE 0.054
- Salmon #FA8072 ΔE 0.056
- Tomato #FF6347 ΔE 0.056
Use #E37166 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.