#E55451
Closest named color: Pastel Red (#DB5856). oklch(63.9% 0.181 24.9), rgb(229, 84, 81).
Aa
Black text reads best on this color (5.71:1).
About this color
#E55451 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.181 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Pastel Red (#DB5856), ΔE 0.019 away. Black text reads best on it, at 5.71:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Pastel Red (#DB5856) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #E55451 |
| RGB | rgb(229, 84, 81) |
| HSL | hsl(1, 74%, 61%) |
| OKLCH | oklch(63.9% 0.181 24.9) |
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 #E55451 | 3.67:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #E55451 | 5.71:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #E55451 text on white | 3.67:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #E55451 text on black | 5.71:1 | AA | Lc -38.3 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CDC9
oklch(88.4% 0.049 24.3)
-
Step 300
300
#F5ABA4
oklch(81% 0.088 25.2)
-
Step 400
400
#EC7A73
oklch(70.7% 0.142 24.9)
-
Step 500
500 (this color)
#E55451
oklch(63.9% 0.181 24.9)
-
Step 600
600
#CD2C32
oklch(55.5% 0.196 24.8)
-
Step 700
700
#B11B25
oklch(49.1% 0.183 24.7)
-
Step 800
800
#901B20
oklch(42.7% 0.152 24.7)
-
Step 900
900
#741F1F
oklch(37.7% 0.119 24.9)
-
Step 950
950
#441413
oklch(27% 0.075 24.6)
#E55451 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) | #7A7250 | 0.194 |
| Deuteranopia (no green cones) | #9F914D | 0.178 |
| Tritanopia (no blue cones) | #FB3355 | 0.056 |
| Achromatopsia (no color) | #858585 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E55451
#E55451
oklch(63.9% 0.181 24.9)
- #009FAB
#009FAB
oklch(64.1% 0.109 204.3)
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 #E55451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Red #DB5856 ΔE 0.019
- Pale Red #D9544D ΔE 0.023
- Imperial Red #E63946 ΔE 0.040
- Dark Coral #CF524E ΔE 0.043
- Faded Red #D3494E ΔE 0.043
- Indian Red #CD5C5C ΔE 0.045
- Light Red #FF474C ΔE 0.048
- Watermelon #FD4659 ΔE 0.048
Use #E55451 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.