#EF6F63
Closest named color: Burnt Sienna (#E76F51). oklch(69.3% 0.16 27.4), rgb(239, 111, 99).
Aa
Black text reads best on this color (7.12:1).
About this color
#EF6F63 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.160 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.026 away. Black text reads best on it, at 7.12:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #EF6F63 |
| RGB | rgb(239, 111, 99) |
| HSL | hsl(5, 81%, 66%) |
| OKLCH | oklch(69.3% 0.16 27.4) |
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 #EF6F63 | 2.94:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #EF6F63 | 7.12:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #EF6F63 text on white | 2.94:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #EF6F63 text on black | 7.12:1 | AAA | Lc -46.4 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC5
oklch(88.5% 0.056 27.9)
-
Step 300
300
#FBA89D
oklch(81% 0.1 27.8)
-
Step 400
400 (this color)
#EF6F63
oklch(69.3% 0.16 27.4)
-
Step 500
500
#EC453D
oklch(63.2% 0.205 27.5)
-
Step 600
600
#D70C18
oklch(55.6% 0.223 27.4)
-
Step 700
700
#B7000F
oklch(49% 0.2 27.4)
-
Step 800
800
#97050D
oklch(42.7% 0.172 27.4)
-
Step 900
900
#791614
oklch(37.7% 0.134 27.3)
-
Step 950
950
#47100D
oklch(26.9% 0.084 27.4)
#EF6F63 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) | #8F8561 | 0.167 |
| Deuteranopia (no green cones) | #AEA160 | 0.156 |
| Tritanopia (no blue cones) | #FF586D | 0.053 |
| Achromatopsia (no color) | #969696 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6F63
#EF6F63
oklch(69.3% 0.16 27.4)
- #00B0C2
#00B0C2
oklch(69.2% 0.119 207.7)
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 #EF6F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.026
- Orange Pink #FF6F52 ΔE 0.034
- Coral Pink #FF6163 ΔE 0.036
- Tomato #FF6347 ΔE 0.038
- Pinkish Orange #FF724C ΔE 0.040
- Grapefruit #FD5956 ΔE 0.042
- Melon #FF7855 ΔE 0.043
- Light Coral #F08080 ΔE 0.043
Use #EF6F63 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.