#E5523C
Closest named color: Pale Red (#D9544D). oklch(63.4% 0.186 31.2), rgb(229, 82, 60).
Aa
Black text reads best on this color (5.60:1).
About this color
#E5523C is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.186 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Pale Red (#D9544D), ΔE 0.027 away. Black text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #E5523C |
| RGB | rgb(229, 82, 60) |
| HSL | hsl(8, 76%, 57%) |
| OKLCH | oklch(63.4% 0.186 31.2) |
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 #E5523C | 3.74:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #E5523C | 5.60:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #E5523C text on white | 3.74:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #E5523C text on black | 5.60:1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC5
oklch(88.6% 0.05 31.8)
-
Step 300
300
#F6AB9D
oklch(81% 0.091 30.9)
-
Step 400
400
#ED7A66
oklch(70.6% 0.146 31.2)
-
Step 500
500 (this color)
#E5523C
oklch(63.4% 0.186 31.2)
-
Step 600
600
#CF2B14
oklch(55.6% 0.202 31.2)
-
Step 700
700
#B31902
oklch(49.1% 0.189 31.2)
-
Step 800
800
#911A0A
oklch(42.6% 0.156 31.1)
-
Step 900
900
#751F13
oklch(37.8% 0.122 31.1)
-
Step 950
950
#45140D
oklch(27.1% 0.077 30.8)
#E5523C 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) | #7B7039 | 0.195 |
| Deuteranopia (no green cones) | #A09037 | 0.178 |
| Tritanopia (no blue cones) | #FC2B4E | 0.067 |
| Achromatopsia (no color) | #848484 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E5523C
#E5523C
oklch(63.4% 0.186 31.2)
- #009CB0
#009CB0
oklch(63.5% 0.11 210.7)
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 #E5523C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Red #D9544D ΔE 0.027
- Pastel Red #DB5856 ΔE 0.031
- Deep Orange #DC4D01 ΔE 0.038
- Orangey Red #FA4224 ΔE 0.041
- Imperial Red #E63946 ΔE 0.044
- Vermillion #F4320C ΔE 0.046
- Dark Coral #CF524E ΔE 0.046
- Faded Red #D3494E ΔE 0.048
Use #E5523C 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.