#EF7343
Closest named color: Burnt Sienna (#E76F51). oklch(69.4% 0.165 40.9), rgb(239, 115, 67).
Aa
Black text reads best on this color (7.20:1).
About this color
#EF7343 is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.165 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.024 away. Black text reads best on it, at 7.20:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #EF7343 |
| RGB | rgb(239, 115, 67) |
| HSL | hsl(17, 84%, 60%) |
| OKLCH | oklch(69.4% 0.165 40.9) |
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 #EF7343 | 2.91:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #EF7343 | 7.20:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #EF7343 text on white | 2.91:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #EF7343 text on black | 7.20:1 | AAA | Lc -46.9 | 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
#FEF3EE
oklch(97.1% 0.014 46.2)
-
Step 100
100
#FDE4DB
oklch(93.7% 0.03 40.9)
-
Step 200
200
#FCCDBD
oklch(88.5% 0.058 39.7)
-
Step 300
300
#FAAA8D
oklch(80.9% 0.103 40.7)
-
Step 400
400 (this color)
#EF7343
oklch(69.4% 0.165 40.9)
-
Step 500
500
#E55300
oklch(63.2% 0.194 41)
-
Step 600
600
#C14400
oklch(55.5% 0.172 40.7)
-
Step 700
700
#A33900
oklch(49.1% 0.151 41.1)
-
Step 800
800
#872D00
oklch(42.7% 0.132 40.7)
-
Step 900
900
#722500
oklch(37.8% 0.117 40.9)
-
Step 950
950
#461300
oklch(26.9% 0.084 40.5)
#EF7343 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) | #95863E | 0.158 |
| Deuteranopia (no green cones) | #B3A240 | 0.146 |
| Tritanopia (no blue cones) | #FF5968 | 0.078 |
| Achromatopsia (no color) | #979797 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF7343
#EF7343
oklch(69.4% 0.165 40.9)
- #00AED3
#00AED3
oklch(69.5% 0.127 220.3)
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 #EF7343, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.024
- Pinkish Orange #FF724C ΔE 0.031
- Orange Pink #FF6F52 ΔE 0.034
- Melon #FF7855 ΔE 0.036
- Dark Peach #DE7E5D ΔE 0.038
- Dusty Orange #F0833A ΔE 0.039
- Tomato #FF6347 ΔE 0.040
- Coral #FF7F50 ΔE 0.042
Use #EF7343 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.