#EB3339
Closest named color: Imperial Red (#E63946). oklch(61.4% 0.218 25.1), rgb(235, 51, 57).
Aa
Black text reads best on this color (5.06:1).
About this color
#EB3339 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.218 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.015 away. Black text reads best on it, at 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.218) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #EB3339 |
| RGB | rgb(235, 51, 57) |
| HSL | hsl(358, 82%, 56%) |
| OKLCH | oklch(61.4% 0.218 25.1) |
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 #EB3339 | 4.14:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #EB3339 | 5.06:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #EB3339 text on white | 4.14:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #EB3339 text on black | 5.06:1 | AA | Lc -34.8 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2DF
oklch(93.5% 0.031 25)
-
Step 200
200
#FECBC5
oklch(88.5% 0.059 26.1)
-
Step 300
300
#FEA59D
oklch(80.8% 0.107 25.3)
-
Step 400
400
#F96F68
oklch(70.8% 0.171 25.3)
-
Step 500
500 (this color)
#EB3339
oklch(61.4% 0.218 25.1)
-
Step 600
600
#D80022
oklch(55.6% 0.225 25.2)
-
Step 700
700
#B7001B
oklch(49.1% 0.199 25.2)
-
Step 800
800
#970015
oklch(42.6% 0.173 25)
-
Step 900
900
#7C0E15
oklch(37.7% 0.142 25.2)
-
Step 950
950
#490D0D
oklch(27% 0.09 25.6)
#EB3339 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) | #6D6337 | 0.238 |
| Deuteranopia (no green cones) | #9A8B31 | 0.218 |
| Tritanopia (no blue cones) | #FF0038 | 0.041 |
| Achromatopsia (no color) | #7C7C7C | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EB3339
#EB3339
oklch(61.4% 0.218 25.1)
- #0096A3
#0096A3
oklch(61.4% 0.105 205.6)
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 #EB3339, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.015
- Red Pantone #EF233C ΔE 0.016
- Tomato Red #EC2D01 ΔE 0.030
- Cherry Red #F7022A ΔE 0.030
- Vermillion #F4320C ΔE 0.033
- Strawberry #FB2943 ΔE 0.033
- Pinky Red #FC2647 ΔE 0.037
- Neon Red #FF073A ΔE 0.041
Use #EB3339 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.