#EF755B
Closest named color: Burnt Sienna (#E76F51). oklch(70% 0.156 33.4), rgb(239, 117, 91).
Aa
Black text reads best on this color (7.36:1).
About this color
#EF755B is a medium-light, vivid red. In OKLCH its lightness is 70%, its chroma 0.156 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.022 away. Black text reads best on it, at 7.36:1.
| Hue family | Reds |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #EF755B |
| RGB | rgb(239, 117, 91) |
| HSL | hsl(11, 82%, 65%) |
| OKLCH | oklch(70% 0.156 33.4) |
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 #EF755B | 2.85:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #EF755B | 7.36:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #EF755B text on white | 2.85:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #EF755B text on black | 7.36:1 | AAA | Lc -47.7 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FBCDC2
oklch(88.5% 0.055 33.7)
-
Step 300
300
#F9AA98
oklch(81% 0.097 33.4)
-
Step 400
400 (this color)
#EF755B
oklch(70% 0.156 33.4)
-
Step 500
500
#E94B2B
oklch(63.1% 0.2 33.3)
-
Step 600
600
#CF2C00
oklch(55.6% 0.203 33.4)
-
Step 700
700
#AF2400
oklch(49.1% 0.179 33.5)
-
Step 800
800
#911C00
oklch(42.7% 0.156 33.4)
-
Step 900
900
#771B07
oklch(37.6% 0.129 33.4)
-
Step 950
950
#461208
oklch(26.9% 0.082 33)
#EF755B 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) | #948958 | 0.157 |
| Deuteranopia (no green cones) | #B2A359 | 0.145 |
| Tritanopia (no blue cones) | #FF5F6F | 0.061 |
| Achromatopsia (no color) | #999999 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF755B
#EF755B
oklch(70% 0.156 33.4)
- #00B1CC
#00B1CC
oklch(69.9% 0.123 213.7)
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 #EF755B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.022
- Orange Pink #FF6F52 ΔE 0.029
- Pinkish Orange #FF724C ΔE 0.030
- Melon #FF7855 ΔE 0.031
- Dark Peach #DE7E5D ΔE 0.033
- Salmon #FA8072 ΔE 0.038
- Tomato #FF6347 ΔE 0.040
- Coral #FF7F50 ΔE 0.042
Use #EF755B 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.