#ED6721
Closest named color: Orange Pant (#FB5607). oklch(67.1% 0.182 43.6), rgb(237, 103, 33).
Aa
Black text reads best on this color (6.56:1).
About this color
#ED6721 is a medium-light, vivid orange. In OKLCH its lightness is 67%, its chroma 0.182 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.034 away. Black text reads best on it, at 6.56:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.56:1 |
| White text | 3.19:1 |
Values
| HEX | #ED6721 |
| RGB | rgb(237, 103, 33) |
| HSL | hsl(21, 85%, 53%) |
| OKLCH | oklch(67.1% 0.182 43.6) |
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 #ED6721 | 3.19:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #ED6721 | 6.56:1 | AA | Lc 45.7 | Large or bold text, headings |
| #ED6721 text on white | 3.19:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #ED6721 text on black | 6.56:1 | AA | Lc -43.4 | 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 400.
-
Step 50
50
#FFF2ED
oklch(97% 0.016 42.4)
-
Step 100
100
#FEE3D9
oklch(93.5% 0.033 41.5)
-
Step 200
200
#FECDB8
oklch(88.6% 0.063 44.4)
-
Step 300
300
#FFA884
oklch(80.9% 0.114 43.2)
-
Step 400
400 (this color)
#ED6721
oklch(67.1% 0.182 43.6)
-
Step 500
500
#E05900
oklch(63.1% 0.185 43.6)
-
Step 600
600
#BD4A00
oklch(55.6% 0.163 43.7)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6F2800
oklch(37.7% 0.111 43.6)
-
Step 950
950
#441600
oklch(27% 0.078 44.2)
#ED6721 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) | #8E7D12 | 0.172 |
| Deuteranopia (no green cones) | #AE9B1A | 0.157 |
| Tritanopia (no blue cones) | #FF465A | 0.091 |
| Achromatopsia (no color) | #909090 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ED6721
#ED6721
oklch(67.1% 0.182 43.6)
- #00A5CE
#00A5CE
oklch(67.1% 0.126 223.8)
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 #ED6721, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.034
- Bright Orange #FF5B00 ΔE 0.035
- Burnt Sienna #E76F51 ΔE 0.037
- Pumpkin #E17701 ΔE 0.042
- Tomato #FF6347 ΔE 0.047
- Blood Orange #FE4B03 ΔE 0.049
- Chocolate #D2691E ΔE 0.050
- Pinkish Orange #FF724C ΔE 0.051
Use #ED6721 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.