#E9501F
Closest named color: Deep Orange (#DC4D01). oklch(63.6% 0.198 36.7), rgb(233, 80, 31).
Aa
Black text reads best on this color (5.63:1).
About this color
#E9501F 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 Deep Orange (#DC4D01), ΔE 0.029 away. Black text reads best on it, at 5.63:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #E9501F |
| RGB | rgb(233, 80, 31) |
| HSL | hsl(15, 82%, 52%) |
| OKLCH | oklch(63.6% 0.198 36.7) |
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 #E9501F | 3.72:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #E9501F | 5.63:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #E9501F text on white | 3.72:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #E9501F text on black | 5.63:1 | AA | Lc -38.0 | 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
#FACEC1
oklch(88.6% 0.053 37.1)
-
Step 300
300
#F8AB95
oklch(81% 0.096 36.6)
-
Step 400
400
#F07957
oklch(70.7% 0.155 36.8)
-
Step 500
500 (this color)
#E9501F
oklch(63.6% 0.198 36.7)
-
Step 600
600
#C83A00
oklch(55.6% 0.186 36.9)
-
Step 700
700
#AA2F00
oklch(49.1% 0.166 36.6)
-
Step 800
800
#8C2500
oklch(42.6% 0.144 36.6)
-
Step 900
900
#761E00
oklch(37.7% 0.127 36.7)
-
Step 950
950
#461305
oklch(27% 0.082 36.3)
#E9501F 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) | #7D6F15 | 0.201 |
| Deuteranopia (no green cones) | #A39114 | 0.182 |
| Tritanopia (no blue cones) | #FF1E47 | 0.079 |
| Achromatopsia (no color) | #848484 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E9501F
#E9501F
oklch(63.6% 0.198 36.7)
- #009BB7
#009BB7
oklch(63.6% 0.113 216.6)
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 #E9501F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.029
- Orangey Red #FA4224 ΔE 0.035
- Blood Orange #FE4B03 ΔE 0.039
- Orange Pant #FB5607 ΔE 0.039
- Vermillion #F4320C ΔE 0.039
- Orangered #FE420F ΔE 0.039
- Red Orange #FD3C06 ΔE 0.040
- Orange Red #FF4500 ΔE 0.040
Use #E9501F 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.