#E2743A
Closest named color: Burnt Sienna (#E76F51). oklch(67.6% 0.154 46.1), rgb(226, 116, 58).
Aa
Black text reads best on this color (6.79:1).
About this color
#E2743A is a medium-light, vivid orange. In OKLCH its lightness is 68%, its chroma 0.154 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.030 away. Black text reads best on it, at 6.79:1.
| Hue family | Oranges |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.79:1 |
| White text | 3.09:1 |
Values
| HEX | #E2743A |
| RGB | rgb(226, 116, 58) |
| HSL | hsl(21, 74%, 56%) |
| OKLCH | oklch(67.6% 0.154 46.1) |
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 #E2743A | 3.09:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #E2743A | 6.79:1 | AA | Lc 46.7 | Large or bold text, headings |
| #E2743A text on white | 3.09:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #E2743A text on black | 6.79:1 | AA | Lc -44.4 | 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
#FDF3EE
oklch(97.1% 0.013 48.6)
-
Step 100
100
#FBE5DB
oklch(93.7% 0.028 46.1)
-
Step 200
200
#F8CFBC
oklch(88.5% 0.053 46.3)
-
Step 300
300
#F5AD8C
oklch(80.8% 0.096 45.5)
-
Step 400
400 (this color)
#E2743A
oklch(67.6% 0.154 46.1)
-
Step 500
500
#DC5E00
oklch(63.2% 0.177 46.2)
-
Step 600
600
#B94E00
oklch(55.5% 0.156 46.2)
-
Step 700
700
#9D4100
oklch(49.2% 0.138 46.2)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900
#6D2B00
oklch(37.8% 0.106 46.3)
-
Step 950
950
#431700
oklch(27% 0.076 45.7)
#E2743A 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) | #938333 | 0.139 |
| Deuteranopia (no green cones) | #AD9C38 | 0.128 |
| Tritanopia (no blue cones) | #F75D68 | 0.086 |
| Achromatopsia (no color) | #939393 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E2743A
#E2743A
oklch(67.6% 0.154 46.1)
- #00A6D4
#00A6D4
oklch(67.6% 0.13 226.5)
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 #E2743A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.030
- Pumpkin #E17701 ΔE 0.030
- Dark Peach #DE7E5D ΔE 0.034
- Dull Orange #D8863B ΔE 0.043
- Chocolate #D2691E ΔE 0.043
- Dusty Orange #F0833A ΔE 0.045
- Peru #CD853F ΔE 0.050
- Terracota #CB6843 ΔE 0.055
Use #E2743A 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.