#E75B28
Closest named color: Orange Pant (#FB5607). oklch(64.6% 0.185 38.8), rgb(231, 91, 40).
Aa
Black text reads best on this color (5.92:1).
About this color
#E75B28 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.185 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.037 away. Black text reads best on it, at 5.92:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #E75B28 |
| RGB | rgb(231, 91, 40) |
| HSL | hsl(16, 80%, 53%) |
| OKLCH | oklch(64.6% 0.185 38.8) |
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 #E75B28 | 3.54:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #E75B28 | 5.92:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #E75B28 text on white | 3.54:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #E75B28 text on black | 5.92:1 | AA | Lc -39.6 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DD
oklch(93.5% 0.026 38.5)
-
Step 200
200
#F8CFC1
oklch(88.6% 0.05 39.7)
-
Step 300
300
#F4AD96
oklch(80.9% 0.09 38.7)
-
Step 400
400
#EB7D59
oklch(70.6% 0.145 38.7)
-
Step 500
500 (this color)
#E75B28
oklch(64.6% 0.185 38.8)
-
Step 600
600
#C54000
oklch(55.7% 0.179 38.9)
-
Step 700
700
#A63400
oklch(49% 0.158 38.7)
-
Step 800
800
#892A00
oklch(42.6% 0.137 39)
-
Step 900
900
#732201
oklch(37.6% 0.12 38.8)
-
Step 950
950
#441606
oklch(27.1% 0.076 38.9)
#E75B28 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) | #837420 | 0.183 |
| Deuteranopia (no green cones) | #A59422 | 0.168 |
| Tritanopia (no blue cones) | #FE3751 | 0.082 |
| Achromatopsia (no color) | #888888 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E75B28
#E75B28
oklch(64.6% 0.185 38.8)
- #009EBE
#009EBE
oklch(64.6% 0.117 219)
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 #E75B28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.037
- Deep Orange #DC4D01 ΔE 0.037
- Blood Orange #FE4B03 ΔE 0.044
- Burnt Sienna #E76F51 ΔE 0.044
- Bright Orange #FF5B00 ΔE 0.046
- Orangey Red #FA4224 ΔE 0.047
- Chocolate #D2691E ΔE 0.047
- Orange Red #FF4500 ΔE 0.048
Use #E75B28 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.