#EF6F55
Closest named color: Burnt Sienna (#E76F51). oklch(69% 0.164 33), rgb(239, 111, 85).
Aa
Black text reads best on this color (7.07:1).
About this color
#EF6F55 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.164 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 7.07:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.07:1 |
| White text | 2.96:1 |
Values
| HEX | #EF6F55 |
| RGB | rgb(239, 111, 85) |
| HSL | hsl(10, 83%, 64%) |
| OKLCH | oklch(69% 0.164 33) |
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 #EF6F55 | 2.96:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #EF6F55 | 7.07:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #EF6F55 text on white | 2.96:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #EF6F55 text on black | 7.07:1 | AAA | Lc -46.2 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FCCCC1
oklch(88.4% 0.057 33.1)
-
Step 300
300
#FBA896
oklch(80.8% 0.102 32.8)
-
Step 400
400 (this color)
#EF6F55
oklch(69% 0.164 33)
-
Step 500
500
#ED4524
oklch(63.1% 0.21 33)
-
Step 600
600
#D02A00
oklch(55.6% 0.205 33)
-
Step 700
700
#B02200
oklch(49.1% 0.181 33)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900
#7A1702
oklch(37.8% 0.136 33.2)
-
Step 950
950
#481006
oklch(27% 0.087 32.8)
#EF6F55 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) | #908552 | 0.166 |
| Deuteranopia (no green cones) | #B0A052 | 0.152 |
| Tritanopia (no blue cones) | #FF5669 | 0.063 |
| Achromatopsia (no color) | #969696 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6F55
#EF6F55
oklch(69% 0.164 33)
- #00AEC8
#00AEC8
oklch(69% 0.121 213.3)
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 #EF6F55, 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 0.029
- Pinkish Orange #FF724C ΔE 0.032
- Tomato #FF6347 ΔE 0.033
- Melon #FF7855 ΔE 0.037
- Dark Peach #DE7E5D ΔE 0.039
- Coral Pink #FF6163 ΔE 0.044
- Grapefruit #FD5956 ΔE 0.045
Use #EF6F55 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.