#EF6D53
Closest named color: Burnt Sienna (#E76F51). oklch(68.7% 0.166 32.9), rgb(239, 109, 83).
Aa
Black text reads best on this color (6.98:1).
About this color
#EF6D53 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.166 and its hue 33°. 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 6.98:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #EF6D53 |
| RGB | rgb(239, 109, 83) |
| HSL | hsl(10, 83%, 63%) |
| OKLCH | oklch(68.7% 0.166 32.9) |
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 #EF6D53 | 3.00:1 | AA large text | Lc -61.5 | Content text, not long reading |
| Black text on #EF6D53 | 6.98:1 | AA | Lc 47.9 | Large or bold text, headings |
| #EF6D53 text on white | 3.00:1 | AA large text | Lc 56.1 | Large or bold text, headings |
| #EF6D53 text on black | 6.98:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FDCCC1
oklch(88.5% 0.058 32.8)
-
Step 300
300
#FCA895
oklch(80.9% 0.104 33.3)
-
Step 400
400 (this color)
#EF6D53
oklch(68.7% 0.166 32.9)
-
Step 500
500
#EE4322
oklch(63.1% 0.212 32.8)
-
Step 600
600
#D02A00
oklch(55.6% 0.205 33)
-
Step 700
700
#B02200
oklch(49.1% 0.181 33)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900
#7A1501
oklch(37.6% 0.138 32.9)
-
Step 950
950
#481006
oklch(27% 0.087 32.8)
#EF6D53 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) | #8F8350 | 0.168 |
| Deuteranopia (no green cones) | #AF9F50 | 0.155 |
| Tritanopia (no blue cones) | #FF5367 | 0.063 |
| Achromatopsia (no color) | #959595 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6D53
#EF6D53
oklch(68.7% 0.166 32.9)
- #00ADC6
#00ADC6
oklch(68.7% 0.12 212.7)
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 #EF6D53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.015
- Orange Pink #FF6F52 ΔE 0.030
- Tomato #FF6347 ΔE 0.031
- Pinkish Orange #FF724C ΔE 0.034
- Melon #FF7855 ΔE 0.040
- Dark Peach #DE7E5D ΔE 0.042
- Grapefruit #FD5956 ΔE 0.043
- Coral Pink #FF6163 ΔE 0.043
Use #EF6D53 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.