#E7733A
Closest named color: Burnt Sienna (#E76F51). oklch(68.2% 0.16 44.7), rgb(231, 115, 58).
Aa
Black text reads best on this color (6.91:1).
About this color
#E7733A is a medium-light, vivid orange. In OKLCH its lightness is 68%, its chroma 0.160 and its hue 45°. 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 6.91:1.
| Hue family | Oranges |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #E7733A |
| RGB | rgb(231, 115, 58) |
| HSL | hsl(20, 78%, 57%) |
| OKLCH | oklch(68.2% 0.16 44.7) |
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 #E7733A | 3.03:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #E7733A | 6.91:1 | AA | Lc 47.4 | Large or bold text, headings |
| #E7733A text on white | 3.03:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #E7733A text on black | 6.91:1 | AA | Lc -45.2 | 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
#FCE4DA
oklch(93.6% 0.03 44)
-
Step 200
200
#FACEBC
oklch(88.5% 0.056 43.4)
-
Step 300
300
#F7AC8B
oklch(80.9% 0.099 44.6)
-
Step 400
400 (this color)
#E7733A
oklch(68.2% 0.16 44.7)
-
Step 500
500
#DE5B00
oklch(63.1% 0.181 44.7)
-
Step 600
600
#BC4C00
oklch(55.7% 0.16 44.7)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#833200
oklch(42.7% 0.123 44.4)
-
Step 900
900
#6E2900
oklch(37.7% 0.109 44.5)
-
Step 950
950
#441600
oklch(27% 0.078 44.2)
#E7733A 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) | #938433 | 0.148 |
| Deuteranopia (no green cones) | #B09E38 | 0.134 |
| Tritanopia (no blue cones) | #FD5A67 | 0.087 |
| Achromatopsia (no color) | #949494 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E7733A
#E7733A
oklch(68.2% 0.16 44.7)
- #00A8D4
#00A8D4
oklch(68.1% 0.129 225.1)
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 #E7733A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.027
- Pumpkin #E17701 ΔE 0.034
- Dark Peach #DE7E5D ΔE 0.036
- Dusty Orange #F0833A ΔE 0.041
- Pinkish Orange #FF724C ΔE 0.048
- Dull Orange #D8863B ΔE 0.048
- Chocolate #D2691E ΔE 0.050
- Orange Wheel #F77F00 ΔE 0.051
Use #E7733A 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.