#E3553B
Closest named color: Pale Red (#D9544D). oklch(63.5% 0.182 32.5), rgb(227, 85, 59).
Aa
Black text reads best on this color (5.62:1).
About this color
#E3553B is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.182 and its hue 33°. 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 5.62:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #E3553B |
| RGB | rgb(227, 85, 59) |
| HSL | hsl(9, 75%, 56%) |
| OKLCH | oklch(63.5% 0.182 32.5) |
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 #E3553B | 3.73:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #E3553B | 5.62:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #E3553B text on white | 3.73:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #E3553B text on black | 5.62:1 | 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
#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
#F4AC9C
oklch(80.9% 0.088 33)
-
Step 400
400
#EB7C66
oklch(70.7% 0.142 32.4)
-
Step 500
500 (this color)
#E3553B
oklch(63.5% 0.182 32.5)
-
Step 600
600
#CD3011
oklch(55.6% 0.197 32.6)
-
Step 700
700
#B12000
oklch(49.1% 0.183 32.6)
-
Step 800
800
#901E08
oklch(42.7% 0.153 32.5)
-
Step 900
900
#732112
oklch(37.6% 0.118 32.6)
-
Step 950
950
#44150C
oklch(27% 0.075 32.8)
#E3553B 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) | #7D7137 | 0.187 |
| Deuteranopia (no green cones) | #A09036 | 0.172 |
| Tritanopia (no blue cones) | #F93150 | 0.068 |
| Achromatopsia (no color) | #848484 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3553B
#E3553B
oklch(63.5% 0.182 32.5)
- #009BB2
#009BB2
oklch(63.3% 0.111 213)
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 #E3553B, 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 0.036
- Dark Coral #CF524E ΔE 0.045
- Orangey Red #FA4224 ΔE 0.045
- Imperial Red #E63946 ΔE 0.049
- Faded Red #D3494E ΔE 0.050
- Vermillion #F4320C ΔE 0.050
Use #E3553B 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.