#ED5639
Closest named color: Orangey Red (#FA4224). oklch(65.1% 0.192 32.9), rgb(237, 86, 57).
Aa
Black text reads best on this color (5.99:1).
About this color
#ED5639 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.192 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.033 away. Black text reads best on it, at 5.99:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #ED5639 |
| RGB | rgb(237, 86, 57) |
| HSL | hsl(10, 83%, 58%) |
| OKLCH | oklch(65.1% 0.192 32.9) |
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 #ED5639 | 3.50:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #ED5639 | 5.99:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #ED5639 text on white | 3.50:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #ED5639 text on black | 5.99:1 | AA | Lc -40.1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#FACDC3
oklch(88.5% 0.053 32.7)
-
Step 300
300
#F7AB9A
oklch(81% 0.093 33.1)
-
Step 400
400
#EF7961
oklch(70.7% 0.151 32.8)
-
Step 500
500 (this color)
#ED5639
oklch(65.1% 0.192 32.9)
-
Step 600
600
#D02A00
oklch(55.6% 0.205 33)
-
Step 700
700
#B02200
oklch(49.1% 0.181 33)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900
#761E0D
oklch(37.8% 0.125 32.9)
-
Step 950
950
#45130A
oklch(26.9% 0.079 32.4)
#ED5639 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) | #817435 | 0.197 |
| Deuteranopia (no green cones) | #A69533 | 0.181 |
| Tritanopia (no blue cones) | #FF2D50 | 0.069 |
| Achromatopsia (no color) | #898989 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ED5639
#ED5639
oklch(65.1% 0.192 32.9)
- #00A1B9
#00A1B9
oklch(65.1% 0.114 213.1)
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 #ED5639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.033
- Orange Pant #FB5607 ΔE 0.036
- Blood Orange #FE4B03 ΔE 0.037
- Orangered #FE420F ΔE 0.039
- Orange Red #FF4500 ΔE 0.040
- Red Orange #FD3C06 ΔE 0.042
- Grapefruit #FD5956 ΔE 0.043
- Pastel Red #DB5856 ΔE 0.044
Use #ED5639 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.