#E66D4E
Closest named color: Burnt Sienna (#E76F51). oklch(67.4% 0.158 35.5), rgb(230, 109, 78).
Aa
Black text reads best on this color (6.66:1).
About this color
#E66D4E is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.158 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.005 away. Black text reads best on it, at 6.66:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #E66D4E |
| RGB | rgb(230, 109, 78) |
| HSL | hsl(12, 75%, 60%) |
| OKLCH | oklch(67.4% 0.158 35.5) |
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 #E66D4E | 3.15:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #E66D4E | 6.66:1 | AA | Lc 46.0 | Large or bold text, headings |
| #E66D4E text on white | 3.15:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #E66D4E text on black | 6.66:1 | AA | Lc -43.7 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FBCDC1
oklch(88.5% 0.055 35)
-
Step 300
300
#F9AA95
oklch(80.9% 0.098 35.5)
-
Step 400
400 (this color)
#E66D4E
oklch(67.4% 0.158 35.5)
-
Step 500
500
#E94B1F
oklch(63% 0.202 35.4)
-
Step 600
600
#CB3500
oklch(55.6% 0.193 35.4)
-
Step 700
700
#AC2C00
oklch(49.2% 0.17 35.6)
-
Step 800
800
#8E2200
oklch(42.7% 0.148 35.4)
-
Step 900
900
#771B00
oklch(37.6% 0.131 35.4)
-
Step 950
950
#471205
oklch(27.1% 0.084 35.3)
#E66D4E 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) | #8D814B | 0.156 |
| Deuteranopia (no green cones) | #AB9B4B | 0.144 |
| Tritanopia (no blue cones) | #FB5566 | 0.068 |
| Achromatopsia (no color) | #919191 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66D4E
#E66D4E
oklch(67.4% 0.158 35.5)
- #00A8C4
#00A8C4
oklch(67.3% 0.119 215.2)
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 #E66D4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.005
- Dark Peach #DE7E5D ΔE 0.036
- Tomato #FF6347 ΔE 0.045
- Orange Pink #FF6F52 ΔE 0.047
- Pinkish Orange #FF724C ΔE 0.048
- Terracota #CB6843 ΔE 0.054
- Melon #FF7855 ΔE 0.054
- Grapefruit #FD5956 ΔE 0.054
Use #E66D4E 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.