#E54727
Closest named color: Deep Orange (#DC4D01). oklch(62% 0.2 33.2), rgb(229, 71, 39).
Aa
Black text reads best on this color (5.26:1).
About this color
#E54727 is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.200 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.027 away. Black text reads best on it, at 5.26:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.26:1 |
| White text | 3.99:1 |
Values
| HEX | #E54727 |
| RGB | rgb(229, 71, 39) |
| HSL | hsl(10, 79%, 53%) |
| OKLCH | oklch(62% 0.2 33.2) |
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 #E54727 | 3.99:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #E54727 | 5.26:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #E54727 text on white | 3.99:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #E54727 text on black | 5.26:1 | AA | Lc -35.7 | 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
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FBCDC2
oklch(88.5% 0.055 33.7)
-
Step 300
300
#F9AA98
oklch(81% 0.097 33.4)
-
Step 400
400
#F2775D
oklch(70.7% 0.157 33.3)
-
Step 500
500 (this color)
#E54727
oklch(62% 0.2 33.2)
-
Step 600
600
#D02B00
oklch(55.7% 0.205 33.2)
-
Step 700
700
#B02300
oklch(49.2% 0.18 33.2)
-
Step 800
800
#911B00
oklch(42.6% 0.157 33.2)
-
Step 900
900
#781B07
oklch(37.8% 0.131 33.3)
-
Step 950
950
#461208
oklch(26.9% 0.082 33)
#E54727 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) | #766921 | 0.209 |
| Deuteranopia (no green cones) | #9D8C1E | 0.189 |
| Tritanopia (no blue cones) | #FC0141 | 0.072 |
| Achromatopsia (no color) | #7F7F7F | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E54727
#E54727
oklch(62% 0.2 33.2)
- #0097AD
#0097AD
oklch(62.1% 0.109 212.7)
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 #E54727, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.027
- Tomato Red #EC2D01 ΔE 0.031
- Vermillion #F4320C ΔE 0.033
- Pale Red #D9544D ΔE 0.038
- Orangey Red #FA4224 ΔE 0.039
- Imperial Red #E63946 ΔE 0.041
- Red Orange #FD3C06 ΔE 0.045
- Pastel Red #DB5856 ΔE 0.046
Use #E54727 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.