#E45500
Closest named color: Deep Orange (#DC4D01). oklch(63.3% 0.192 41.7), rgb(228, 85, 0).
Aa
Black text reads best on this color (5.59:1).
About this color
#E45500 is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.192 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.023 away. Black text reads best on it, at 5.59:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #E45500 |
| RGB | rgb(228, 85, 0) |
| HSL | hsl(22, 100%, 45%) |
| OKLCH | oklch(63.3% 0.192 41.7) |
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 #E45500 | 3.75:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #E45500 | 5.59:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #E45500 text on white | 3.75:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #E45500 text on black | 5.59:1 | AA | Lc -37.7 | 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
#FBE4DC
oklch(93.5% 0.028 40.2)
-
Step 200
200
#F8CFBF
oklch(88.5% 0.051 42.4)
-
Step 300
300
#F5AD91
oklch(80.9% 0.094 42.1)
-
Step 400
400
#ED7D50
oklch(70.8% 0.15 41.9)
-
Step 500
500 (this color)
#E45500
oklch(63.3% 0.192 41.7)
-
Step 600
600
#C04600
oklch(55.6% 0.169 41.6)
-
Step 700
700
#A23A00
oklch(49% 0.149 41.7)
-
Step 800
800
#862F00
oklch(42.8% 0.129 42)
-
Step 900
900
#712600
oklch(37.8% 0.115 41.7)
-
Step 950
950
#451501
oklch(27.1% 0.08 41.8)
#E45500 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) | #7F6F00 | 0.187 |
| Deuteranopia (no green cones) | #A29000 | 0.169 |
| Tritanopia (no blue cones) | #FB2B49 | 0.090 |
| Achromatopsia (no color) | #848484 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E45500
#E45500
oklch(63.3% 0.192 41.7)
- #0099BC
#0099BC
oklch(63.3% 0.117 221.7)
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 #E45500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.023
- Rusty Orange #CD5909 ΔE 0.043
- Orange Pant #FB5607 ΔE 0.044
- Chocolate #D2691E ΔE 0.045
- Blood Orange #FE4B03 ΔE 0.049
- Orangey Red #FA4224 ΔE 0.051
- Orange Red #FF4500 ΔE 0.052
- Orangered #FE420F ΔE 0.053
Use #E45500 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.