#EF7749
Closest named color: Burnt Sienna (#E76F51). oklch(70% 0.16 40.9), rgb(239, 119, 73).
Aa
Black text reads best on this color (7.40:1).
About this color
#EF7749 is a medium-light, vivid orange. In OKLCH its lightness is 70%, its chroma 0.160 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.027 away. Black text reads best on it, at 7.40:1.
| Hue family | Oranges |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #EF7749 |
| RGB | rgb(239, 119, 73) |
| HSL | hsl(17, 84%, 61%) |
| OKLCH | oklch(70% 0.16 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 #EF7749 | 2.83:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #EF7749 | 7.40:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #EF7749 text on white | 2.83:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #EF7749 text on black | 7.40:1 | AAA | Lc -48.0 | 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
#FCE4DB
oklch(93.6% 0.029 41.7)
-
Step 200
200
#FBCEBD
oklch(88.6% 0.056 41.7)
-
Step 300
300
#F9AB8F
oklch(81% 0.1 40.5)
-
Step 400
400 (this color)
#EF7749
oklch(70% 0.16 40.9)
-
Step 500
500
#E55300
oklch(63.2% 0.194 41)
-
Step 600
600
#C14500
oklch(55.6% 0.171 41.1)
-
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)
#EF7749 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) | #988944 | 0.151 |
| Deuteranopia (no green cones) | #B5A447 | 0.140 |
| Tritanopia (no blue cones) | #FF5F6D | 0.076 |
| Achromatopsia (no color) | #999999 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF7749
#EF7749
oklch(70% 0.16 40.9)
- #00B0D6
#00B0D6
oklch(70.1% 0.128 220.6)
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 #EF7749, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.027
- Pinkish Orange #FF724C ΔE 0.030
- Melon #FF7855 ΔE 0.032
- Dark Peach #DE7E5D ΔE 0.033
- Dusty Orange #F0833A ΔE 0.034
- Orange Pink #FF6F52 ΔE 0.034
- Coral #FF7F50 ΔE 0.036
- Tomato #FF6347 ΔE 0.044
Use #EF7749 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.