#EF6C4A
Closest named color: Burnt Sienna (#E76F51). oklch(68.5% 0.17 35.6), rgb(239, 108, 74).
Aa
Black text reads best on this color (6.91:1).
About this color
#EF6C4A is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.170 and its hue 36°. 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 6.91:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #EF6C4A |
| RGB | rgb(239, 108, 74) |
| HSL | hsl(12, 84%, 61%) |
| OKLCH | oklch(68.5% 0.17 35.6) |
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 #EF6C4A | 3.03:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #EF6C4A | 6.91:1 | AA | Lc 47.6 | Large or bold text, headings |
| #EF6C4A text on white | 3.03:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #EF6C4A text on black | 6.91:1 | AA | Lc -45.3 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DC
oklch(93.6% 0.031 34.9)
-
Step 200
200
#FDCCBF
oklch(88.4% 0.059 35.3)
-
Step 300
300
#FDA891
oklch(80.9% 0.106 35.8)
-
Step 400
400 (this color)
#EF6C4A
oklch(68.5% 0.17 35.6)
-
Step 500
500
#EF4204
oklch(63% 0.217 35.5)
-
Step 600
600
#CB3600
oklch(55.7% 0.192 35.6)
-
Step 700
700
#AB2C00
oklch(49% 0.169 35.7)
-
Step 800
800
#8E2300
oklch(42.8% 0.148 35.7)
-
Step 900
900
#771C00
oklch(37.7% 0.13 35.8)
-
Step 950
950
#490F02
oklch(27% 0.09 35.1)
#EF6C4A 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) | #8F8246 | 0.169 |
| Deuteranopia (no green cones) | #AF9F47 | 0.156 |
| Tritanopia (no blue cones) | #FF5164 | 0.068 |
| Achromatopsia (no color) | #949494 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6C4A
#EF6C4A
oklch(68.5% 0.17 35.6)
- #00ACC9
#00ACC9
oklch(68.5% 0.121 215.5)
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 #EF6C4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.015
- Tomato #FF6347 ΔE 0.030
- Orange Pink #FF6F52 ΔE 0.032
- Pinkish Orange #FF724C ΔE 0.034
- Melon #FF7855 ΔE 0.041
- Dark Peach #DE7E5D ΔE 0.043
- Grapefruit #FD5956 ΔE 0.046
- Bright Orange #FF5B00 ΔE 0.046
Use #EF6C4A 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.