#EF6A4F
Closest named color: Burnt Sienna (#E76F51). oklch(68.2% 0.17 33.1), rgb(239, 106, 79).
Aa
Black text reads best on this color (6.84:1).
About this color
#EF6A4F is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.170 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.016 away. Black text reads best on it, at 6.84:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.84:1 |
| White text | 3.06:1 |
Values
| HEX | #EF6A4F |
| RGB | rgb(239, 106, 79) |
| HSL | hsl(10, 83%, 62%) |
| OKLCH | oklch(68.2% 0.17 33.1) |
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 #EF6A4F | 3.06:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #EF6A4F | 6.84:1 | AA | Lc 47.2 | Large or bold text, headings |
| #EF6A4F text on white | 3.06:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #EF6A4F text on black | 6.84:1 | AA | Lc -44.9 | Non-text elements, placeholder text |
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
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECCC0
oklch(88.6% 0.059 33.8)
-
Step 300
300
#FDA794
oklch(80.8% 0.106 33.1)
-
Step 400
400 (this color)
#EF6A4F
oklch(68.2% 0.17 33.1)
-
Step 500
500
#F0401B
oklch(63.1% 0.217 33.1)
-
Step 600
600
#D02B00
oklch(55.7% 0.205 33.2)
-
Step 700
700
#B02300
oklch(49.2% 0.18 33.2)
-
Step 800
800
#911B00
oklch(42.6% 0.157 33.2)
-
Step 900
900
#7A1500
oklch(37.6% 0.138 33.2)
-
Step 950
950
#490F04
oklch(27.1% 0.09 33.5)
#EF6A4F 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) | #8D814C | 0.173 |
| Deuteranopia (no green cones) | #AE9E4C | 0.159 |
| Tritanopia (no blue cones) | #FF4F64 | 0.064 |
| Achromatopsia (no color) | #939393 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6A4F
#EF6A4F
oklch(68.2% 0.17 33.1)
- #00ABC5
#00ABC5
oklch(68.1% 0.12 213.6)
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 #EF6A4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.016
- Tomato #FF6347 ΔE 0.029
- Orange Pink #FF6F52 ΔE 0.033
- Pinkish Orange #FF724C ΔE 0.036
- Grapefruit #FD5956 ΔE 0.040
- Coral Pink #FF6163 ΔE 0.043
- Melon #FF7855 ΔE 0.044
- Dark Peach #DE7E5D ΔE 0.046
Use #EF6A4F 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.