#E56131
Closest named color: Burnt Sienna (#E76F51). oklch(65.2% 0.175 39.3), rgb(229, 97, 49).
Aa
Black text reads best on this color (6.08:1).
About this color
#E56131 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.175 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.035 away. Black text reads best on it, at 6.08:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.08:1 |
| White text | 3.45:1 |
Values
| HEX | #E56131 |
| RGB | rgb(229, 97, 49) |
| HSL | hsl(16, 78%, 55%) |
| OKLCH | oklch(65.2% 0.175 39.3) |
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 #E56131 | 3.45:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #E56131 | 6.08:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #E56131 text on white | 3.45:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #E56131 text on black | 6.08:1 | AA | Lc -40.5 | 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 500.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F6CFC2
oklch(88.4% 0.048 39.3)
-
Step 300
300
#F2AE97
oklch(80.9% 0.087 39.5)
-
Step 400
400
#E8805D
oklch(70.8% 0.137 39.2)
-
Step 500
500 (this color)
#E56131
oklch(65.2% 0.175 39.3)
-
Step 600
600
#C44100
oklch(55.6% 0.177 39.3)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800
#892B00
oklch(42.8% 0.136 39.4)
-
Step 900
900
#712506
oklch(37.7% 0.114 39.3)
-
Step 950
950
#431707
oklch(27.1% 0.073 39.5)
#E56131 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) | #86782A | 0.173 |
| Deuteranopia (no green cones) | #A6952C | 0.157 |
| Tritanopia (no blue cones) | #FC4257 | 0.081 |
| Achromatopsia (no color) | #8A8A8A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E56131
#E56131
oklch(65.2% 0.175 39.3)
- #00A0C1
#00A0C1
oklch(65.2% 0.118 219.4)
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 #E56131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.035
- Orange Pant #FB5607 ΔE 0.041
- Chocolate #D2691E ΔE 0.041
- Deep Orange #DC4D01 ΔE 0.045
- Terracota #CB6843 ΔE 0.047
- Bright Orange #FF5B00 ΔE 0.048
- Terracotta #CA6641 ΔE 0.049
- Terra Cotta #C9643B ΔE 0.051
Use #E56131 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.