#E04421
Closest named color: Deep Orange (#DC4D01). oklch(60.8% 0.198 33.8), rgb(224, 68, 33).
Aa
Black text reads best on this color (5.01:1).
About this color
#E04421 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.198 and its hue 34°. 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 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #E04421 |
| RGB | rgb(224, 68, 33) |
| HSL | hsl(11, 75%, 50%) |
| OKLCH | oklch(60.8% 0.198 33.8) |
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 #E04421 | 4.18:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #E04421 | 5.01:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #E04421 text on white | 4.18:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #E04421 text on black | 5.01:1 | AA | Lc -34.1 | 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
#F8AA97
oklch(80.9% 0.097 34.3)
-
Step 400
400
#F1785D
oklch(70.7% 0.155 33.9)
-
Step 500
500 (this color)
#E04421
oklch(60.8% 0.198 33.8)
-
Step 600
600
#CE2E00
oklch(55.5% 0.201 33.8)
-
Step 700
700
#AF2600
oklch(49.2% 0.178 33.9)
-
Step 800
800
#901D00
oklch(42.6% 0.154 33.8)
-
Step 900
900
#771C06
oklch(37.7% 0.129 34)
-
Step 950
950
#461207
oklch(26.9% 0.082 33.8)
#E04421 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) | #73661A | 0.206 |
| Deuteranopia (no green cones) | #998917 | 0.189 |
| Tritanopia (no blue cones) | #F7003E | 0.071 |
| Achromatopsia (no color) | #7C7C7C | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E04421
#E04421
oklch(60.8% 0.198 33.8)
- #0092A9
#0092A9
oklch(60.7% 0.107 214)
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 #E04421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.023
- Tomato Red #EC2D01 ΔE 0.030
- Vermillion #F4320C ΔE 0.038
- Pale Red #D9544D ΔE 0.040
- Imperial Red #E63946 ΔE 0.042
- Faded Red #D3494E ΔE 0.047
- Dark Coral #CF524E ΔE 0.048
- Orangey Red #FA4224 ΔE 0.050
Use #E04421 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.