#EF6C4F
Closest named color: Burnt Sienna (#E76F51). oklch(68.5% 0.168 33.9), rgb(239, 108, 79).
Aa
Black text reads best on this color (6.92:1).
About this color
#EF6C4F is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.168 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.014 away. Black text reads best on it, at 6.92:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #EF6C4F |
| RGB | rgb(239, 108, 79) |
| HSL | hsl(11, 83%, 62%) |
| OKLCH | oklch(68.5% 0.168 33.9) |
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 #EF6C4F | 3.03:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #EF6C4F | 6.92:1 | AA | Lc 47.6 | Large or bold text, headings |
| #EF6C4F text on white | 3.03:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #EF6C4F text on black | 6.92:1 | AA | Lc -45.4 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FDCCC0
oklch(88.5% 0.058 34.1)
-
Step 300
300
#FDA894
oklch(81% 0.105 33.9)
-
Step 400
400 (this color)
#EF6C4F
oklch(68.5% 0.168 33.9)
-
Step 500
500
#EF4218
oklch(63.1% 0.215 33.9)
-
Step 600
600
#CE2F00
oklch(55.6% 0.2 34)
-
Step 700
700
#AE2600
oklch(49% 0.177 33.9)
-
Step 800
800
#901E00
oklch(42.7% 0.153 34)
-
Step 900
900
#791700
oklch(37.6% 0.136 33.8)
-
Step 950
950
#480F04
oklch(26.9% 0.089 33.7)
#EF6C4F 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) | #8F824C | 0.169 |
| Deuteranopia (no green cones) | #AF9F4C | 0.156 |
| Tritanopia (no blue cones) | #FF5266 | 0.065 |
| Achromatopsia (no color) | #949494 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6C4F
#EF6C4F
oklch(68.5% 0.168 33.9)
- #00ACC7
#00ACC7
oklch(68.5% 0.12 214.1)
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 #EF6C4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.014
- Tomato #FF6347 ΔE 0.030
- Orange Pink #FF6F52 ΔE 0.031
- Pinkish Orange #FF724C ΔE 0.034
- Melon #FF7855 ΔE 0.041
- Grapefruit #FD5956 ΔE 0.043
- Dark Peach #DE7E5D ΔE 0.043
- Coral Pink #FF6163 ΔE 0.045
Use #EF6C4F 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.