#EF6757
Closest named color: Burnt Sienna (#E76F51). oklch(68% 0.171 29.1), rgb(239, 103, 87).
Aa
Black text reads best on this color (6.74:1).
About this color
#EF6757 is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.171 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.023 away. Black text reads best on it, at 6.74:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #EF6757 |
| RGB | rgb(239, 103, 87) |
| HSL | hsl(6, 83%, 64%) |
| OKLCH | oklch(68% 0.171 29.1) |
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 #EF6757 | 3.11:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #EF6757 | 6.74:1 | AA | Lc 46.7 | Large or bold text, headings |
| #EF6757 text on white | 3.11:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #EF6757 text on black | 6.74:1 | AA | Lc -44.4 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FECBC3
oklch(88.5% 0.059 28.6)
-
Step 300
300
#FEA699
oklch(80.9% 0.107 28.8)
-
Step 400
400 (this color)
#EF6757
oklch(68% 0.171 29.1)
-
Step 500
500
#F13C2F
oklch(63.1% 0.219 29)
-
Step 600
600
#D90002
oklch(55.6% 0.228 29.1)
-
Step 700
700
#B80002
oklch(49.2% 0.202 29)
-
Step 800
800
#980001
oklch(42.7% 0.175 29.1)
-
Step 900
900
#7C0F0A
oklch(37.7% 0.143 29)
-
Step 950
950
#490D09
oklch(26.9% 0.091 28.6)
#EF6757 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) | #8A8055 | 0.178 |
| Deuteranopia (no green cones) | #AC9D54 | 0.164 |
| Tritanopia (no blue cones) | #FF4C64 | 0.057 |
| Achromatopsia (no color) | #929292 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6757
#EF6757
oklch(68% 0.171 29.1)
- #00ABBF
#00ABBF
oklch(67.9% 0.117 209.4)
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 #EF6757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.023
- Tomato #FF6347 ΔE 0.031
- Grapefruit #FD5956 ΔE 0.032
- Coral Pink #FF6163 ΔE 0.035
- Orange Pink #FF6F52 ΔE 0.037
- Pinkish Orange #FF724C ΔE 0.043
- Melon #FF7855 ΔE 0.050
- Pastel Red #DB5856 ΔE 0.052
Use #EF6757 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.