#EF6755
Closest named color: Burnt Sienna (#E76F51). oklch(67.9% 0.172 29.8), rgb(239, 103, 85).
Aa
Black text reads best on this color (6.74:1).
About this color
#EF6755 is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.172 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.022 away. Black text reads best on it, at 6.74:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #EF6755 |
| RGB | rgb(239, 103, 85) |
| HSL | hsl(7, 83%, 64%) |
| OKLCH | oklch(67.9% 0.172 29.8) |
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 #EF6755 | 3.11:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #EF6755 | 6.74:1 | AA | Lc 46.6 | Large or bold text, headings |
| #EF6755 text on white | 3.11:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #EF6755 text on black | 6.74:1 | AA | Lc -44.3 | 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
#FECBC2
oklch(88.4% 0.06 29.9)
-
Step 300
300
#FEA698
oklch(80.9% 0.107 29.5)
-
Step 400
400 (this color)
#EF6755
oklch(67.9% 0.172 29.8)
-
Step 500
500
#F13C2B
oklch(63% 0.219 29.8)
-
Step 600
600
#D80D00
oklch(55.7% 0.225 29.8)
-
Step 700
700
#B70900
oklch(49.2% 0.198 29.8)
-
Step 800
800
#970600
oklch(42.7% 0.172 29.8)
-
Step 900
900
#7C0F07
oklch(37.6% 0.143 29.8)
-
Step 950
950
#490E08
oklch(27% 0.09 29.9)
#EF6755 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) | #8A8053 | 0.178 |
| Deuteranopia (no green cones) | #AC9D52 | 0.164 |
| Tritanopia (no blue cones) | #FF4C63 | 0.058 |
| Achromatopsia (no color) | #929292 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6755
#EF6755
oklch(67.9% 0.172 29.8)
- #00ABC0
#00ABC0
oklch(67.9% 0.118 210.1)
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 #EF6755, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.022
- Tomato #FF6347 ΔE 0.030
- Grapefruit #FD5956 ΔE 0.033
- Coral Pink #FF6163 ΔE 0.036
- Orange Pink #FF6F52 ΔE 0.037
- Pinkish Orange #FF724C ΔE 0.043
- Melon #FF7855 ΔE 0.050
- Dark Peach #DE7E5D ΔE 0.052
Use #EF6755 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.