#EF6C64
Closest named color: Burnt Sienna (#E76F51). oklch(68.9% 0.163 25.8), rgb(239, 108, 100).
Aa
Black text reads best on this color (6.99:1).
About this color
#EF6C64 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.163 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.029 away. Black text reads best on it, at 6.99:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #EF6C64 |
| RGB | rgb(239, 108, 100) |
| HSL | hsl(3, 81%, 66%) |
| OKLCH | oklch(68.9% 0.163 25.8) |
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 #EF6C64 | 3.00:1 | AA large text | Lc -61.4 | Content text, not long reading |
| Black text on #EF6C64 | 6.99:1 | AA | Lc 48.0 | Large or bold text, headings |
| #EF6C64 text on white | 3.00:1 | AA large text | Lc 56.0 | Large or bold text, headings |
| #EF6C64 text on black | 6.99:1 | AA | Lc -45.7 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FDCBC6
oklch(88.4% 0.057 24.9)
-
Step 300
300
#FCA79E
oklch(80.9% 0.102 26.2)
-
Step 400
400 (this color)
#EF6C64
oklch(68.9% 0.163 25.8)
-
Step 500
500
#ED4140
oklch(63% 0.209 25.8)
-
Step 600
600
#D8001F
oklch(55.5% 0.226 25.8)
-
Step 700
700
#B70018
oklch(49.1% 0.199 25.9)
-
Step 800
800
#980012
oklch(42.8% 0.174 25.9)
-
Step 900
900
#7A1416
oklch(37.7% 0.136 26)
-
Step 950
950
#480F0E
oklch(27% 0.086 25.9)
#EF6C64 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) | #8C8463 | 0.172 |
| Deuteranopia (no green cones) | #AD9F61 | 0.158 |
| Tritanopia (no blue cones) | #FF556B | 0.050 |
| Achromatopsia (no color) | #959595 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6C64
#EF6C64
oklch(68.9% 0.163 25.8)
- #00AFBE
#00AFBE
oklch(68.8% 0.118 205.6)
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 #EF6C64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.029
- Coral Pink #FF6163 ΔE 0.032
- Grapefruit #FD5956 ΔE 0.037
- Orange Pink #FF6F52 ΔE 0.038
- Tomato #FF6347 ΔE 0.039
- Pinkish Orange #FF724C ΔE 0.045
- Light Coral #F08080 ΔE 0.046
- Melon #FF7855 ΔE 0.048
Use #EF6C64 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.