#EA521E
Closest named color: Deep Orange (#DC4D01). oklch(64% 0.197 37.4), rgb(234, 82, 30).
Aa
Black text reads best on this color (5.72:1).
About this color
#EA521E is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.197 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.032 away. Black text reads best on it, at 5.72:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #EA521E |
| RGB | rgb(234, 82, 30) |
| HSL | hsl(15, 83%, 52%) |
| OKLCH | oklch(64% 0.197 37.4) |
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 #EA521E | 3.66:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #EA521E | 5.72:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #EA521E text on white | 3.66:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #EA521E text on black | 5.72:1 | AA | Lc -38.5 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FACEC0
oklch(88.6% 0.054 38.4)
-
Step 300
300
#F7AB94
oklch(80.9% 0.096 37.5)
-
Step 400
400
#F07A56
oklch(70.8% 0.154 37.7)
-
Step 500
500 (this color)
#EA521E
oklch(64% 0.197 37.4)
-
Step 600
600
#C73C00
oklch(55.6% 0.184 37.5)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#751F00
oklch(37.6% 0.125 37.3)
-
Step 950
950
#461304
oklch(27% 0.082 37.1)
#EA521E 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) | #7F7013 | 0.199 |
| Deuteranopia (no green cones) | #A49213 | 0.181 |
| Tritanopia (no blue cones) | #FF2249 | 0.081 |
| Achromatopsia (no color) | #858585 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EA521E
#EA521E
oklch(64% 0.197 37.4)
- #009CB9
#009CB9
oklch(63.9% 0.114 217.2)
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 #EA521E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.032
- Orange Pant #FB5607 ΔE 0.035
- Orangey Red #FA4224 ΔE 0.035
- Blood Orange #FE4B03 ΔE 0.037
- Orangered #FE420F ΔE 0.039
- Orange Red #FF4500 ΔE 0.039
- Red Orange #FD3C06 ΔE 0.040
- Vermillion #F4320C ΔE 0.042
Use #EA521E 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.