#EF382B
Closest named color: Vermillion (#F4320C). oklch(62.4% 0.22 29.1), rgb(239, 56, 43).
Aa
Black text reads best on this color (5.27:1).
About this color
#EF382B is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.220 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Vermillion (#F4320C), ΔE 0.016 away. Black text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.220) |
| Temperature | warm |
| Nearest name | Vermillion (#F4320C) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #EF382B |
| RGB | rgb(239, 56, 43) |
| HSL | hsl(4, 86%, 55%) |
| OKLCH | oklch(62.4% 0.22 29.1) |
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 #EF382B | 3.98:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #EF382B | 5.27:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #EF382B text on white | 3.98:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #EF382B text on black | 5.27:1 | AA | Lc -36.2 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FECBC3
oklch(88.5% 0.059 28.6)
-
Step 300
300
#FFA698
oklch(81% 0.108 29.4)
-
Step 400
400
#F96F5F
oklch(70.6% 0.172 28.8)
-
Step 500
500 (this color)
#EF382B
oklch(62.4% 0.22 29.1)
-
Step 600
600
#D90001
oklch(55.6% 0.228 29.2)
-
Step 700
700
#B80001
oklch(49.1% 0.202 29.1)
-
Step 800
800
#980001
oklch(42.7% 0.175 29.1)
-
Step 900
900
#7C0E09
oklch(37.6% 0.143 29)
-
Step 950
950
#490D08
oklch(26.9% 0.091 29.3)
#EF382B 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) | #726627 | 0.236 |
| Deuteranopia (no green cones) | #9F8E21 | 0.215 |
| Tritanopia (no blue cones) | #FF0037 | 0.044 |
| Achromatopsia (no color) | #7F7F7F | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF382B
#EF382B
oklch(62.4% 0.22 29.1)
- #0099AA
#0099AA
oklch(62.5% 0.108 208.6)
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 #EF382B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vermillion #F4320C ΔE 0.016
- Tomato Red #EC2D01 ΔE 0.021
- Orangey Red #FA4224 ΔE 0.029
- Red Pantone #EF233C ΔE 0.030
- Imperial Red #E63946 ΔE 0.031
- Red Orange #FD3C06 ΔE 0.034
- Cherry Red #F7022A ΔE 0.034
- Strawberry #FB2943 ΔE 0.036
Use #EF382B 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.