#EE3F39
Closest named color: Imperial Red (#E63946). oklch(62.9% 0.212 27.3), rgb(238, 63, 57).
Aa
Black text reads best on this color (5.40:1).
About this color
#EE3F39 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.212 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.025 away. Black text reads best on it, at 5.40:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #EE3F39 |
| RGB | rgb(238, 63, 57) |
| HSL | hsl(2, 84%, 58%) |
| OKLCH | oklch(62.9% 0.212 27.3) |
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 #EE3F39 | 3.88:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #EE3F39 | 5.40:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #EE3F39 text on white | 3.88:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #EE3F39 text on black | 5.40:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FDCBC5
oklch(88.4% 0.058 26.2)
-
Step 300
300
#FDA79C
oklch(81% 0.104 27.6)
-
Step 400
400
#F77165
oklch(70.7% 0.167 27.3)
-
Step 500
500 (this color)
#EE3F39
oklch(62.9% 0.212 27.3)
-
Step 600
600
#D90015
oklch(55.7% 0.227 27.3)
-
Step 700
700
#B70010
oklch(49% 0.2 27.3)
-
Step 800
800
#98000B
oklch(42.7% 0.174 27.3)
-
Step 900
900
#7B1212
oklch(37.7% 0.139 27.1)
-
Step 950
950
#480F0C
oklch(27% 0.087 27.6)
#EE3F39 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) | #746936 | 0.228 |
| Deuteranopia (no green cones) | #9F8F32 | 0.208 |
| Tritanopia (no blue cones) | #FF0040 | 0.049 |
| Achromatopsia (no color) | #818181 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EE3F39
#EE3F39
oklch(62.9% 0.212 27.3)
- #009BAA
#009BAA
oklch(63% 0.108 206.9)
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 #EE3F39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.025
- Vermillion #F4320C ΔE 0.027
- Orangey Red #FA4224 ΔE 0.030
- Red Pantone #EF233C ΔE 0.031
- Tomato Red #EC2D01 ΔE 0.032
- Strawberry #FB2943 ΔE 0.034
- Red Orange #FD3C06 ΔE 0.038
- Pinky Red #FC2647 ΔE 0.039
Use #EE3F39 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.