#EE3539
Closest named color: Red Pantone (#EF233C). oklch(62.1% 0.22 25.5), rgb(238, 53, 57).
Aa
Black text reads best on this color (5.20:1).
About this color
#EE3539 is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.220 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pantone (#EF233C), ΔE 0.019 away. Black text reads best on it, at 5.20:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.220) |
| Temperature | warm |
| Nearest name | Red Pantone (#EF233C) |
| Black text | 5.20:1 |
| White text | 4.03:1 |
Values
| HEX | #EE3539 |
| RGB | rgb(238, 53, 57) |
| HSL | hsl(359, 84%, 57%) |
| OKLCH | oklch(62.1% 0.22 25.5) |
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 #EE3539 | 4.03:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #EE3539 | 5.20:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #EE3539 text on white | 4.03:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #EE3539 text on black | 5.20:1 | AA | Lc -35.7 | 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
#FFCBC5
oklch(88.6% 0.06 26)
-
Step 300
300
#FFA59D
oklch(80.9% 0.108 25.3)
-
Step 400
400
#F96E67
oklch(70.6% 0.172 25.3)
-
Step 500
500 (this color)
#EE3539
oklch(62.1% 0.22 25.5)
-
Step 600
600
#D80020
oklch(55.6% 0.226 25.6)
-
Step 700
700
#B7001A
oklch(49.1% 0.199 25.4)
-
Step 800
800
#980013
oklch(42.8% 0.174 25.6)
-
Step 900
900
#7C0D14
oklch(37.6% 0.143 25.4)
-
Step 950
950
#490D0D
oklch(27% 0.09 25.6)
#EE3539 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) | #6F6537 | 0.239 |
| Deuteranopia (no green cones) | #9D8D31 | 0.218 |
| Tritanopia (no blue cones) | #FF0039 | 0.038 |
| Achromatopsia (no color) | #7E7E7E | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EE3539
#EE3539
oklch(62.1% 0.22 25.5)
- #0098A5
#0098A5
oklch(62% 0.106 205.5)
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 #EE3539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Pantone #EF233C ΔE 0.019
- Imperial Red #E63946 ΔE 0.019
- Strawberry #FB2943 ΔE 0.028
- Vermillion #F4320C ΔE 0.029
- Cherry Red #F7022A ΔE 0.030
- Tomato Red #EC2D01 ΔE 0.031
- Pinky Red #FC2647 ΔE 0.033
- Neon Red #FF073A ΔE 0.038
Use #EE3539 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.