#EA4721
Closest named color: Vermillion (#F4320C). oklch(62.8% 0.206 34), rgb(234, 71, 33).
Aa
Black text reads best on this color (5.42:1).
About this color
#EA4721 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.206 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Vermillion (#F4320C), ΔE 0.027 away. Black text reads best on it, at 5.42:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Vermillion (#F4320C) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #EA4721 |
| RGB | rgb(234, 71, 33) |
| HSL | hsl(11, 83%, 52%) |
| OKLCH | oklch(62.8% 0.206 34) |
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 #EA4721 | 3.87:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #EA4721 | 5.42:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #EA4721 text on white | 3.87:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #EA4721 text on black | 5.42:1 | AA | Lc -36.8 | 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
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FCCDC1
oklch(88.6% 0.056 34.7)
-
Step 300
300
#FAA996
oklch(80.9% 0.1 33.8)
-
Step 400
400
#F47659
oklch(70.8% 0.161 34.3)
-
Step 500
500 (this color)
#EA4721
oklch(62.8% 0.206 34)
-
Step 600
600
#CE2F00
oklch(55.6% 0.2 34)
-
Step 700
700
#AE2600
oklch(49% 0.177 33.9)
-
Step 800
800
#901E00
oklch(42.7% 0.153 34)
-
Step 900
900
#791901
oklch(37.8% 0.134 34.2)
-
Step 950
950
#471106
oklch(26.9% 0.085 33.7)
#EA4721 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) | #786A19 | 0.214 |
| Deuteranopia (no green cones) | #A08F15 | 0.195 |
| Tritanopia (no blue cones) | #FF0041 | 0.072 |
| Achromatopsia (no color) | #818181 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EA4721
#EA4721
oklch(62.8% 0.206 34)
- #0099B1
#0099B1
oklch(62.8% 0.11 214)
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 #EA4721, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vermillion #F4320C ΔE 0.027
- Orangey Red #FA4224 ΔE 0.030
- Tomato Red #EC2D01 ΔE 0.030
- Deep Orange #DC4D01 ΔE 0.031
- Red Orange #FD3C06 ΔE 0.035
- Orangered #FE420F ΔE 0.037
- Orange Red #FF4500 ΔE 0.040
- Blood Orange #FE4B03 ΔE 0.042
Use #EA4721 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.