#E66B59
Closest named color: Burnt Sienna (#E76F51). oklch(67.2% 0.157 30.2), rgb(230, 107, 89).
Aa
Black text reads best on this color (6.61:1).
About this color
#E66B59 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.157 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.015 away. Black text reads best on it, at 6.61:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #E66B59 |
| RGB | rgb(230, 107, 89) |
| HSL | hsl(8, 74%, 63%) |
| OKLCH | oklch(67.2% 0.157 30.2) |
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 #E66B59 | 3.17:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #E66B59 | 6.61:1 | AA | Lc 45.7 | Large or bold text, headings |
| #E66B59 text on white | 3.17:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #E66B59 text on black | 6.61:1 | AA | Lc -43.4 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC4
oklch(88.6% 0.054 31)
-
Step 300
300
#F9A99B
oklch(80.9% 0.097 30.3)
-
Step 400
400 (this color)
#E66B59
oklch(67.2% 0.157 30.2)
-
Step 500
500
#EA4936
oklch(63.2% 0.201 30.2)
-
Step 600
600
#D51A07
oklch(55.6% 0.217 30.2)
-
Step 700
700
#B60E00
oklch(49.2% 0.196 30.2)
-
Step 800
800
#950E03
oklch(42.6% 0.167 30.2)
-
Step 900
900
#78190F
oklch(37.7% 0.131 30.2)
-
Step 950
950
#47110B
oklch(27% 0.084 29.8)
#E66B59 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) | #8A8057 | 0.161 |
| Deuteranopia (no green cones) | #A99A56 | 0.148 |
| Tritanopia (no blue cones) | #FB5467 | 0.059 |
| Achromatopsia (no color) | #909090 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66B59
#E66B59
oklch(67.2% 0.157 30.2)
- #00A9BD
#00A9BD
oklch(67.3% 0.116 209.6)
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 #E66B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.015
- Dark Peach #DE7E5D ΔE 0.041
- Tomato #FF6347 ΔE 0.046
- Pastel Red #DB5856 ΔE 0.047
- Grapefruit #FD5956 ΔE 0.048
- Orange Pink #FF6F52 ΔE 0.048
- Coral Pink #FF6163 ΔE 0.050
- Pinkish Orange #FF724C ΔE 0.053
Use #E66B59 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.