#E54528
Closest named color: Tomato Red (#EC2D01). oklch(61.8% 0.201 32.5), rgb(229, 69, 40).
Aa
Black text reads best on this color (5.21:1).
About this color
#E54528 is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.201 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.028 away. Black text reads best on it, at 5.21:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #E54528 |
| RGB | rgb(229, 69, 40) |
| HSL | hsl(9, 78%, 53%) |
| OKLCH | oklch(61.8% 0.201 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 #E54528 | 4.02:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #E54528 | 5.21:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #E54528 text on white | 4.02:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #E54528 text on black | 5.21:1 | AA | Lc -35.4 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DE
oklch(93.5% 0.028 31.1)
-
Step 200
200
#FBCDC3
oklch(88.5% 0.054 32.4)
-
Step 300
300
#F9A998
oklch(80.8% 0.098 32.5)
-
Step 400
400
#F2765E
oklch(70.6% 0.158 32.4)
-
Step 500
500 (this color)
#E54528
oklch(61.8% 0.201 32.5)
-
Step 600
600
#D12700
oklch(55.6% 0.208 32.5)
-
Step 700
700
#B12000
oklch(49.1% 0.183 32.6)
-
Step 800
800
#921800
oklch(42.6% 0.159 32.5)
-
Step 900
900
#781A08
oklch(37.7% 0.131 32.6)
-
Step 950
950
#471208
oklch(27.1% 0.083 32.9)
#E54528 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) | #756823 | 0.211 |
| Deuteranopia (no green cones) | #9C8C1F | 0.193 |
| Tritanopia (no blue cones) | #FC0040 | 0.069 |
| Achromatopsia (no color) | #7F7F7F | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E54528
#E54528
oklch(61.8% 0.201 32.5)
- #0096AC
#0096AC
oklch(61.8% 0.108 212.8)
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 #E54528, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.028
- Deep Orange #DC4D01 ΔE 0.029
- Vermillion #F4320C ΔE 0.031
- Imperial Red #E63946 ΔE 0.038
- Pale Red #D9544D ΔE 0.039
- Orangey Red #FA4224 ΔE 0.040
- Red Orange #FD3C06 ΔE 0.045
- Pastel Red #DB5856 ΔE 0.047
Use #E54528 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.