#E37164
Closest named color: Burnt Sienna (#E76F51). oklch(67.9% 0.144 28.1), rgb(227, 113, 100).
Aa
Black text reads best on this color (6.81:1).
About this color
#E37164 is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.144 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.022 away. Black text reads best on it, at 6.81:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.144) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #E37164 |
| RGB | rgb(227, 113, 100) |
| HSL | hsl(6, 69%, 64%) |
| OKLCH | oklch(67.9% 0.144 28.1) |
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 #E37164 | 3.08:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #E37164 | 6.81:1 | AA | Lc 46.8 | Large or bold text, headings |
| #E37164 text on white | 3.08:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #E37164 text on black | 6.81:1 | 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
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC7
oklch(88.5% 0.051 27.2)
-
Step 300
300
#F5ABA0
oklch(80.9% 0.089 28.6)
-
Step 400
400 (this color)
#E37164
oklch(67.9% 0.144 28.1)
-
Step 500
500
#E35145
oklch(63.1% 0.184 28.1)
-
Step 600
600
#CF2B25
oklch(55.7% 0.2 28.1)
-
Step 700
700
#B21917
oklch(49% 0.186 28.1)
-
Step 800
800
#911A16
oklch(42.7% 0.155 28.1)
-
Step 900
900
#741F19
oklch(37.7% 0.12 28.3)
-
Step 950
950
#451410
oklch(27.1% 0.076 27.9)
#E37164 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) | #8D8462 | 0.149 |
| Deuteranopia (no green cones) | #A99C62 | 0.138 |
| Tritanopia (no blue cones) | #F75E6E | 0.053 |
| Achromatopsia (no color) | #939393 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E37164
#E37164
oklch(67.9% 0.144 28.1)
- #00ABBD
#00ABBD
oklch(67.8% 0.117 208)
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 #E37164, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.022
- Dark Peach #DE7E5D ΔE 0.034
- Light Coral #F08080 ΔE 0.049
- Orange Pink #FF6F52 ΔE 0.053
- Coral Pink #FF6163 ΔE 0.054
- Pastel Red #DB5856 ΔE 0.054
- Tomato #FF6347 ΔE 0.055
- Pinkish Orange #FF724C ΔE 0.057
Use #E37164 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.