#E05728
Closest named color: Deep Orange (#DC4D01). oklch(63% 0.181 38.2), rgb(224, 87, 40).
Aa
Black text reads best on this color (5.56:1).
About this color
#E05728 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.181 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.023 away. Black text reads best on it, at 5.56:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #E05728 |
| RGB | rgb(224, 87, 40) |
| HSL | hsl(15, 75%, 52%) |
| OKLCH | oklch(63% 0.181 38.2) |
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 #E05728 | 3.77:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #E05728 | 5.56:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #E05728 text on white | 3.77:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #E05728 text on black | 5.56:1 | AA | Lc -37.3 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DE
oklch(93.5% 0.026 35.7)
-
Step 200
200
#F7CFC2
oklch(88.5% 0.049 38.8)
-
Step 300
300
#F3AD97
oklch(80.9% 0.088 38.2)
-
Step 400
400
#EA7E5C
oklch(70.7% 0.142 38.2)
-
Step 500
500 (this color)
#E05728
oklch(63% 0.181 38.2)
-
Step 600
600
#C63E00
oklch(55.6% 0.181 38.2)
-
Step 700
700
#A73300
oklch(49% 0.16 38.2)
-
Step 800
800
#8A2800
oklch(42.6% 0.139 38)
-
Step 900
900
#732305
oklch(37.8% 0.118 38.1)
-
Step 950
950
#441607
oklch(27.1% 0.075 38.1)
#E05728 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) | #7E7021 | 0.181 |
| Deuteranopia (no green cones) | #A08F22 | 0.165 |
| Tritanopia (no blue cones) | #F6334E | 0.079 |
| Achromatopsia (no color) | #838383 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E05728
#E05728
oklch(63% 0.181 38.2)
- #0099B7
#0099B7
oklch(63.1% 0.114 218.3)
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 #E05728, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.023
- Pale Red #D9544D ΔE 0.040
- Rusty Orange #CD5909 ΔE 0.040
- Chocolate #D2691E ΔE 0.044
- Terra Cotta #C9643B ΔE 0.045
- Terracotta #CA6641 ΔE 0.045
- Pastel Red #DB5856 ΔE 0.046
- Terracota #CB6843 ΔE 0.046
Use #E05728 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.