#ED5903
Closest named color: Orange Pant (#FB5607). oklch(65.2% 0.197 41.6), rgb(237, 89, 3).
Aa
Black text reads best on this color (6.03:1).
About this color
#ED5903 is a medium-light, vivid orange. In OKLCH its lightness is 65%, its chroma 0.197 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.026 away. Black text reads best on it, at 6.03:1.
| Hue family | Oranges |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.03:1 |
| White text | 3.48:1 |
Values
| HEX | #ED5903 |
| RGB | rgb(237, 89, 3) |
| HSL | hsl(22, 98%, 47%) |
| OKLCH | oklch(65.2% 0.197 41.6) |
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 #ED5903 | 3.48:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #ED5903 | 6.03:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #ED5903 text on white | 3.48:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #ED5903 text on black | 6.03:1 | AA | Lc -40.4 | 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
#FBE4DC
oklch(93.5% 0.028 40.2)
-
Step 200
200
#F9CEBE
oklch(88.4% 0.054 41.4)
-
Step 300
300
#F6AC90
oklch(80.9% 0.096 41.6)
-
Step 400
400
#EF7B4E
oklch(70.7% 0.155 41.2)
-
Step 500
500 (this color)
#ED5903
oklch(65.2% 0.197 41.6)
-
Step 600
600
#C04600
oklch(55.6% 0.169 41.6)
-
Step 700
700
#A23A00
oklch(49% 0.149 41.7)
-
Step 800
800
#862E00
oklch(42.6% 0.13 41.4)
-
Step 900
900
#712600
oklch(37.8% 0.115 41.7)
-
Step 950
950
#451400
oklch(26.9% 0.081 41.8)
#ED5903 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) | #857400 | 0.191 |
| Deuteranopia (no green cones) | #A99600 | 0.173 |
| Tritanopia (no blue cones) | #FF2D4D | 0.091 |
| Achromatopsia (no color) | #898989 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ED5903
#ED5903
oklch(65.2% 0.197 41.6)
- #009FC4
#009FC4
oklch(65.1% 0.12 222.1)
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 #ED5903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.026
- Bright Orange #FF5B00 ΔE 0.035
- Blood Orange #FE4B03 ΔE 0.035
- Orange Red #FF4500 ΔE 0.041
- Deep Orange #DC4D01 ΔE 0.042
- Orangered #FE420F ΔE 0.043
- Orangey Red #FA4224 ΔE 0.045
- Red Orange #FD3C06 ΔE 0.047
Use #ED5903 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.