#EF734A
Closest named color: Burnt Sienna (#E76F51). oklch(69.5% 0.163 38.7), rgb(239, 115, 74).
Aa
Black text reads best on this color (7.22:1).
About this color
#EF734A is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.163 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.020 away. Black text reads best on it, at 7.22:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.22:1 |
| White text | 2.90:1 |
Values
| HEX | #EF734A |
| RGB | rgb(239, 115, 74) |
| HSL | hsl(15, 84%, 61%) |
| OKLCH | oklch(69.5% 0.163 38.7) |
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 #EF734A | 2.90:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #EF734A | 7.22:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #EF734A text on white | 2.90:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #EF734A text on black | 7.22:1 | AAA | Lc -47.0 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FDE4DC
oklch(93.7% 0.03 38.6)
-
Step 200
200
#FCCDBE
oklch(88.5% 0.057 38.4)
-
Step 300
300
#FAAA90
oklch(80.9% 0.102 38.8)
-
Step 400
400 (this color)
#EF734A
oklch(69.5% 0.163 38.7)
-
Step 500
500
#E94C00
oklch(63% 0.204 38.6)
-
Step 600
600
#C53F00
oklch(55.6% 0.18 38.6)
-
Step 700
700
#A73400
oklch(49.2% 0.159 38.6)
-
Step 800
800
#8A2A00
oklch(42.8% 0.138 38.8)
-
Step 900
900
#742200
oklch(37.8% 0.121 38.9)
-
Step 950
950
#471200
oklch(27% 0.086 39.4)
#EF734A 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) | #948746 | 0.159 |
| Deuteranopia (no green cones) | #B3A247 | 0.146 |
| Tritanopia (no blue cones) | #FF5A6A | 0.073 |
| Achromatopsia (no color) | #979797 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF734A
#EF734A
oklch(69.5% 0.163 38.7)
- #00AED1
#00AED1
oklch(69.4% 0.126 219)
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 #EF734A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.020
- Pinkish Orange #FF724C ΔE 0.029
- Orange Pink #FF6F52 ΔE 0.031
- Melon #FF7855 ΔE 0.034
- Dark Peach #DE7E5D ΔE 0.035
- Tomato #FF6347 ΔE 0.038
- Coral #FF7F50 ΔE 0.041
- Dusty Orange #F0833A ΔE 0.043
Use #EF734A 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.