#E7522C
Closest named color: Deep Orange (#DC4D01). oklch(63.6% 0.192 35.1), rgb(231, 82, 44).
Aa
Black text reads best on this color (5.64:1).
About this color
#E7522C is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.192 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.031 away. Black text reads best on it, at 5.64:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.64:1 |
| White text | 3.72:1 |
Values
| HEX | #E7522C |
| RGB | rgb(231, 82, 44) |
| HSL | hsl(12, 80%, 54%) |
| OKLCH | oklch(63.6% 0.192 35.1) |
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 #E7522C | 3.72:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #E7522C | 5.64:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #E7522C text on white | 3.72:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #E7522C text on black | 5.64:1 | AA | Lc -37.9 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F9CEC2
oklch(88.5% 0.052 36.1)
-
Step 300
300
#F7AB98
oklch(81% 0.094 34.6)
-
Step 400
400
#EE7A5D
oklch(70.6% 0.15 35.1)
-
Step 500
500 (this color)
#E7522C
oklch(63.6% 0.192 35.1)
-
Step 600
600
#CC3400
oklch(55.7% 0.195 35.1)
-
Step 700
700
#AC2A00
oklch(49% 0.172 35)
-
Step 800
800
#8E2100
oklch(42.6% 0.149 35.1)
-
Step 900
900
#751E06
oklch(37.6% 0.125 35.1)
-
Step 950
950
#451408
oklch(27% 0.078 35)
#E7522C 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) | #7D6F26 | 0.196 |
| Deuteranopia (no green cones) | #A29125 | 0.179 |
| Tritanopia (no blue cones) | #FE264B | 0.076 |
| Achromatopsia (no color) | #848484 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E7522C
#E7522C
oklch(63.6% 0.192 35.1)
- #009BB5
#009BB5
oklch(63.5% 0.112 215.2)
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 #E7522C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.031
- Orangey Red #FA4224 ΔE 0.037
- Pale Red #D9544D ΔE 0.039
- Vermillion #F4320C ΔE 0.042
- Orange Pant #FB5607 ΔE 0.043
- Blood Orange #FE4B03 ΔE 0.043
- Orangered #FE420F ΔE 0.043
- Pastel Red #DB5856 ΔE 0.044
Use #E7522C 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.