#EF7551
Closest named color: Burnt Sienna (#E76F51). oklch(69.8% 0.159 37.2), rgb(239, 117, 81).
Aa
Black text reads best on this color (7.33:1).
About this color
#EF7551 is a medium-light, vivid red. In OKLCH its lightness is 70%, its chroma 0.159 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.021 away. Black text reads best on it, at 7.33:1.
| Hue family | Reds |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #EF7551 |
| RGB | rgb(239, 117, 81) |
| HSL | hsl(14, 83%, 63%) |
| OKLCH | oklch(69.8% 0.159 37.2) |
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 #EF7551 | 2.86:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #EF7551 | 7.33:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #EF7551 text on white | 2.86:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #EF7551 text on black | 7.33:1 | AAA | Lc -47.6 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DC
oklch(93.6% 0.029 39.3)
-
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)
#EF7551
oklch(69.8% 0.159 37.2)
-
Step 500
500
#E94C11
oklch(63.1% 0.203 37.4)
-
Step 600
600
#C83B00
oklch(55.7% 0.186 37.1)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800
#8C2700
oklch(42.8% 0.142 37.3)
-
Step 900
900
#751F00
oklch(37.6% 0.125 37.3)
-
Step 950
950
#471203
oklch(27% 0.085 36.9)
#EF7551 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) | #95884D | 0.156 |
| Deuteranopia (no green cones) | #B3A34E | 0.144 |
| Tritanopia (no blue cones) | #FF5D6D | 0.070 |
| Achromatopsia (no color) | #999999 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF7551
#EF7551
oklch(69.8% 0.159 37.2)
- #00B0D0
#00B0D0
oklch(69.8% 0.125 217)
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 #EF7551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.021
- Pinkish Orange #FF724C ΔE 0.028
- Orange Pink #FF6F52 ΔE 0.030
- Melon #FF7855 ΔE 0.031
- Dark Peach #DE7E5D ΔE 0.032
- Coral #FF7F50 ΔE 0.039
- Tomato #FF6347 ΔE 0.039
- Dusty Orange #F0833A ΔE 0.043
Use #EF7551 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.