#E66C49
Closest named color: Burnt Sienna (#E76F51). oklch(67.1% 0.16 36.8), rgb(230, 108, 73).
Aa
Black text reads best on this color (6.60:1).
About this color
#E66C49 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.160 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.009 away. Black text reads best on it, at 6.60:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.60:1 |
| White text | 3.17:1 |
Values
| HEX | #E66C49 |
| RGB | rgb(230, 108, 73) |
| HSL | hsl(13, 76%, 59%) |
| OKLCH | oklch(67.1% 0.16 36.8) |
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 #E66C49 | 3.17:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #E66C49 | 6.60:1 | AA | Lc 45.7 | Large or bold text, headings |
| #E66C49 text on white | 3.17:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #E66C49 text on black | 6.60:1 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FBCDC0
oklch(88.5% 0.055 36.3)
-
Step 300
300
#F9AA93
oklch(80.9% 0.099 36.9)
-
Step 400
400 (this color)
#E66C49
oklch(67.1% 0.16 36.8)
-
Step 500
500
#EA4B12
oklch(63.1% 0.204 36.9)
-
Step 600
600
#C83A00
oklch(55.6% 0.186 36.9)
-
Step 700
700
#A93000
oklch(49.1% 0.164 37)
-
Step 800
800
#8C2600
oklch(42.7% 0.143 37)
-
Step 900
900
#761E00
oklch(37.7% 0.127 36.7)
-
Step 950
950
#471203
oklch(27% 0.085 36.9)
#E66C49 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) | #8D8045 | 0.157 |
| Deuteranopia (no green cones) | #AA9B46 | 0.147 |
| Tritanopia (no blue cones) | #FC5364 | 0.072 |
| Achromatopsia (no color) | #909090 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E66C49
#E66C49
oklch(67.1% 0.16 36.8)
- #00A7C5
#00A7C5
oklch(67.1% 0.12 216.7)
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 #E66C49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.009
- Dark Peach #DE7E5D ΔE 0.038
- Tomato #FF6347 ΔE 0.045
- Orange Pink #FF6F52 ΔE 0.048
- Pinkish Orange #FF724C ΔE 0.049
- Terracota #CB6843 ΔE 0.052
- Chocolate #D2691E ΔE 0.053
- Orange Pant #FB5607 ΔE 0.053
Use #E66C49 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.