#EA6431
Closest named color: Burnt Sienna (#E76F51). oklch(66.4% 0.178 39.9), rgb(234, 100, 49).
Aa
Black text reads best on this color (6.36:1).
About this color
#EA6431 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.178 and its hue 40°. 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 6.36:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #EA6431 |
| RGB | rgb(234, 100, 49) |
| HSL | hsl(17, 81%, 55%) |
| OKLCH | oklch(66.4% 0.178 39.9) |
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 #EA6431 | 3.29:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #EA6431 | 6.36:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #EA6431 text on white | 3.29:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #EA6431 text on black | 6.36:1 | AA | Lc -42.2 | 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
#FAE5DD
oklch(93.7% 0.026 42.1)
-
Step 200
200
#F7CFC2
oklch(88.5% 0.049 38.8)
-
Step 300
300
#F2AE96
oklch(80.9% 0.087 40.3)
-
Step 400
400
#E87F5B
oklch(70.6% 0.139 39.5)
-
Step 500
500 (this color)
#EA6431
oklch(66.4% 0.178 39.9)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#722402
oklch(37.7% 0.117 39.7)
-
Step 950
950
#431706
oklch(27.1% 0.073 40.4)
#EA6431 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) | #8A7B2A | 0.173 |
| Deuteranopia (no green cones) | #AB992C | 0.159 |
| Tritanopia (no blue cones) | #FF445A | 0.083 |
| Achromatopsia (no color) | #8D8D8D | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EA6431
#EA6431
oklch(66.4% 0.178 39.9)
- #00A4C6
#00A4C6
oklch(66.4% 0.121 219.6)
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 #EA6431, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.030
- Orange Pant #FB5607 ΔE 0.035
- Bright Orange #FF5B00 ΔE 0.040
- Tomato #FF6347 ΔE 0.044
- Blood Orange #FE4B03 ΔE 0.047
- Chocolate #D2691E ΔE 0.048
- Pumpkin #E17701 ΔE 0.052
- Orange Red #FF4500 ΔE 0.054
Use #EA6431 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.