#EB521D
Closest named color: Orange Pant (#FB5607). oklch(64.1% 0.198 37.4), rgb(235, 82, 29).
Aa
Black text reads best on this color (5.75:1).
About this color
#EB521D is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.198 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.033 away. Black text reads best on it, at 5.75:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #EB521D |
| RGB | rgb(235, 82, 29) |
| HSL | hsl(15, 84%, 52%) |
| OKLCH | oklch(64.1% 0.198 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 #EB521D | 3.64:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #EB521D | 5.75:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #EB521D text on white | 3.64:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #EB521D text on black | 5.75:1 | AA | Lc -38.7 | 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
#F8AB94
oklch(81% 0.097 37.3)
-
Step 400
400
#F07956
oklch(70.6% 0.155 37.2)
-
Step 500
500 (this color)
#EB521D
oklch(64.1% 0.198 37.4)
-
Step 600
600
#C73C00
oklch(55.6% 0.184 37.5)
-
Step 700
700
#A83100
oklch(49% 0.162 37.4)
-
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)
#EB521D 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) | #7F7011 | 0.201 |
| Deuteranopia (no green cones) | #A59311 | 0.182 |
| Tritanopia (no blue cones) | #FF2149 | 0.081 |
| Achromatopsia (no color) | #868686 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EB521D
#EB521D
oklch(64.1% 0.198 37.4)
- #009DBA
#009DBA
oklch(64.2% 0.115 217.1)
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 #EB521D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.033
- Deep Orange #DC4D01 ΔE 0.033
- Orangey Red #FA4224 ΔE 0.034
- Blood Orange #FE4B03 ΔE 0.035
- Orangered #FE420F ΔE 0.037
- Orange Red #FF4500 ΔE 0.037
- Red Orange #FD3C06 ΔE 0.039
- Vermillion #F4320C ΔE 0.041
Use #EB521D 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.