#E3533B
Closest named color: Pale Red (#D9544D). oklch(63.2% 0.184 31.9), rgb(227, 83, 59).
Aa
Black text reads best on this color (5.56:1).
About this color
#E3533B is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.184 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Pale Red (#D9544D), ΔE 0.026 away. Black text reads best on it, at 5.56:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #E3533B |
| RGB | rgb(227, 83, 59) |
| HSL | hsl(9, 75%, 56%) |
| OKLCH | oklch(63.2% 0.184 31.9) |
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 #E3533B | 3.77:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #E3533B | 5.56:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #E3533B text on white | 3.77:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #E3533B text on black | 5.56:1 | AA | Lc -37.4 | 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
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC5
oklch(88.5% 0.049 32.1)
-
Step 300
300
#F5AB9C
oklch(80.8% 0.09 31.8)
-
Step 400
400
#EC7B66
oklch(70.7% 0.144 31.8)
-
Step 500
500 (this color)
#E3533B
oklch(63.2% 0.184 31.9)
-
Step 600
600
#CE2E13
oklch(55.6% 0.199 31.9)
-
Step 700
700
#B21D01
oklch(49.1% 0.186 31.9)
-
Step 800
800
#901D09
oklch(42.7% 0.153 32)
-
Step 900
900
#742012
oklch(37.7% 0.12 32)
-
Step 950
950
#44140C
oklch(26.9% 0.076 31.8)
#E3533B 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) | #7B6F37 | 0.191 |
| Deuteranopia (no green cones) | #9F8F36 | 0.174 |
| Tritanopia (no blue cones) | #F92D4E | 0.067 |
| Achromatopsia (no color) | #838383 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3533B
#E3533B
oklch(63.2% 0.184 31.9)
- #009BB0
#009BB0
oklch(63.3% 0.11 211.5)
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 #E3533B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Red #D9544D ΔE 0.026
- Pastel Red #DB5856 ΔE 0.030
- Deep Orange #DC4D01 ΔE 0.035
- Dark Coral #CF524E ΔE 0.044
- Orangey Red #FA4224 ΔE 0.044
- Imperial Red #E63946 ΔE 0.046
- Faded Red #D3494E ΔE 0.047
- Vermillion #F4320C ΔE 0.048
Use #E3533B 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.