#ED5F21
Closest named color: Orange Pant (#FB5607). oklch(66% 0.189 40.7), rgb(237, 95, 33).
Aa
Black text reads best on this color (6.25:1).
About this color
#ED5F21 is a medium-light, vivid orange. In OKLCH its lightness is 66%, its chroma 0.189 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.027 away. Black text reads best on it, at 6.25:1.
| Hue family | Oranges |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #ED5F21 |
| RGB | rgb(237, 95, 33) |
| HSL | hsl(18, 85%, 53%) |
| OKLCH | oklch(66% 0.189 40.7) |
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 #ED5F21 | 3.35:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #ED5F21 | 6.25:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #ED5F21 text on white | 3.35:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #ED5F21 text on black | 6.25:1 | AA | Lc -41.6 | 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F8CFC0
oklch(88.6% 0.051 41.1)
-
Step 300
300
#F5AD93
oklch(81% 0.093 40.7)
-
Step 400
400
#EC7D54
oklch(70.7% 0.148 40.6)
-
Step 500
500 (this color)
#ED5F21
oklch(66% 0.189 40.7)
-
Step 600
600
#C24400
oklch(55.7% 0.173 40.6)
-
Step 700
700
#A43800
oklch(49.1% 0.153 40.5)
-
Step 800
800
#872D00
oklch(42.7% 0.132 40.7)
-
Step 900
900
#722500
oklch(37.8% 0.117 40.9)
-
Step 950
950
#441503
oklch(26.9% 0.078 40.5)
#ED5F21 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) | #887814 | 0.185 |
| Deuteranopia (no green cones) | #AB9819 | 0.167 |
| Tritanopia (no blue cones) | #FF3A54 | 0.086 |
| Achromatopsia (no color) | #8C8C8C | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ED5F21
#ED5F21
oklch(66% 0.189 40.7)
- #00A2C6
#00A2C6
oklch(66% 0.121 221.1)
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 #ED5F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.027
- Bright Orange #FF5B00 ΔE 0.033
- Blood Orange #FE4B03 ΔE 0.039
- Burnt Sienna #E76F51 ΔE 0.041
- Orange Red #FF4500 ΔE 0.045
- Tomato #FF6347 ΔE 0.046
- Orangered #FE420F ΔE 0.048
- Orangey Red #FA4224 ΔE 0.048
Use #ED5F21 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.