#EB4631
Closest named color: Vermillion (#F4320C). oklch(63% 0.205 30.7), rgb(235, 70, 49).
Aa
Black text reads best on this color (5.45:1).
About this color
#EB4631 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.205 and its hue 31°. 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 5.45:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Vermillion (#F4320C) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #EB4631 |
| RGB | rgb(235, 70, 49) |
| HSL | hsl(7, 82%, 56%) |
| OKLCH | oklch(63% 0.205 30.7) |
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 #EB4631 | 3.85:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #EB4631 | 5.45:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #EB4631 text on white | 3.85:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #EB4631 text on black | 5.45:1 | AA | Lc -37.0 | 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
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC3
oklch(88.5% 0.056 30.5)
-
Step 300
300
#FBA899
oklch(80.9% 0.101 30.7)
-
Step 400
400
#F47561
oklch(70.8% 0.16 30.7)
-
Step 500
500 (this color)
#EB4631
oklch(63% 0.205 30.7)
-
Step 600
600
#D51900
oklch(55.5% 0.218 30.7)
-
Step 700
700
#B51300
oklch(49.2% 0.193 30.7)
-
Step 800
800
#950E00
oklch(42.6% 0.167 30.7)
-
Step 900
900
#79170C
oklch(37.7% 0.134 30.5)
-
Step 950
950
#471109
oklch(27% 0.084 31.3)
#EB4631 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) | #776B2D | 0.217 |
| Deuteranopia (no green cones) | #A08F29 | 0.197 |
| Tritanopia (no blue cones) | #FF0043 | 0.065 |
| Achromatopsia (no color) | #828282 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EB4631
#EB4631
oklch(63% 0.205 30.7)
- #009AAE
#009AAE
oklch(62.9% 0.109 210.8)
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 #EB4631, 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 0.028
- Tomato Red #EC2D01 ΔE 0.032
- Imperial Red #E63946 ΔE 0.035
- Red Orange #FD3C06 ΔE 0.036
- Orangered #FE420F ΔE 0.038
- Pale Red #D9544D ΔE 0.040
- Deep Orange #DC4D01 ΔE 0.041
Use #EB4631 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.