#EF6E55
Closest named color: Burnt Sienna (#E76F51). oklch(68.9% 0.165 32.6), rgb(239, 110, 85).
Aa
Black text reads best on this color (7.03:1).
About this color
#EF6E55 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.165 and its hue 33°. 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 7.03:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #EF6E55 |
| RGB | rgb(239, 110, 85) |
| HSL | hsl(10, 83%, 64%) |
| OKLCH | oklch(68.9% 0.165 32.6) |
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 #EF6E55 | 2.98:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #EF6E55 | 7.03:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #EF6E55 text on white | 2.98:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #EF6E55 text on black | 7.03:1 | AAA | Lc -45.9 | Large or bold text, headings |
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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FDCCC1
oklch(88.5% 0.058 32.8)
-
Step 300
300
#FCA896
oklch(80.9% 0.103 32.6)
-
Step 400
400 (this color)
#EF6E55
oklch(68.9% 0.165 32.6)
-
Step 500
500
#ED4425
oklch(63% 0.21 32.6)
-
Step 600
600
#D12800
oklch(55.6% 0.207 32.6)
-
Step 700
700
#B12000
oklch(49.1% 0.183 32.6)
-
Step 800
800
#921900
oklch(42.7% 0.159 32.7)
-
Step 900
900
#7A1603
oklch(37.7% 0.137 32.6)
-
Step 950
950
#481006
oklch(27% 0.087 32.8)
#EF6E55 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) | #908452 | 0.166 |
| Deuteranopia (no green cones) | #AFA052 | 0.155 |
| Tritanopia (no blue cones) | #FF5568 | 0.062 |
| Achromatopsia (no color) | #959595 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6E55
#EF6E55
oklch(68.9% 0.165 32.6)
- #00AEC7
#00AEC7
oklch(69% 0.12 212.6)
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 #EF6E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.015
- Orange Pink #FF6F52 ΔE 0.030
- Tomato #FF6347 ΔE 0.032
- Pinkish Orange #FF724C ΔE 0.033
- Melon #FF7855 ΔE 0.039
- Dark Peach #DE7E5D ΔE 0.041
- Coral Pink #FF6163 ΔE 0.042
- Grapefruit #FD5956 ΔE 0.043
Use #EF6E55 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.