#EE3749
Closest named color: Imperial Red (#E63946). oklch(62.5% 0.217 21.5), rgb(238, 55, 73).
Aa
Black text reads best on this color (5.27:1).
About this color
#EE3749 is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.217 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.016 away. Black text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.217) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.27:1 |
| White text | 3.97:1 |
Values
| HEX | #EE3749 |
| RGB | rgb(238, 55, 73) |
| HSL | hsl(354, 84%, 57%) |
| OKLCH | oklch(62.5% 0.217 21.5) |
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 #EE3749 | 3.97:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #EE3749 | 5.27:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #EE3749 text on white | 3.97:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #EE3749 text on black | 5.27:1 | AA | Lc -36.1 | 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
#FEE2E1
oklch(93.5% 0.031 20.2)
-
Step 200
200
#FECAC8
oklch(88.4% 0.059 20.9)
-
Step 300
300
#FEA5A2
oklch(80.9% 0.106 21.8)
-
Step 400
400
#F86E70
oklch(70.6% 0.17 21.6)
-
Step 500
500 (this color)
#EE3749
oklch(62.5% 0.217 21.5)
-
Step 600
600
#D70032
oklch(55.5% 0.224 21.5)
-
Step 700
700
#B60029
oklch(49% 0.197 21.4)
-
Step 800
800
#970020
oklch(42.7% 0.172 21.5)
-
Step 900
900
#7C0D1D
oklch(37.8% 0.142 21.4)
-
Step 950
950
#490D12
oklch(27.1% 0.089 21.3)
#EE3749 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) | #6E6748 | 0.239 |
| Deuteranopia (no green cones) | #9C8D43 | 0.217 |
| Tritanopia (no blue cones) | #FF0040 | 0.038 |
| Achromatopsia (no color) | #7F7F7F | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EE3749
#EE3749
oklch(62.5% 0.217 21.5)
- #009AA2
#009AA2
oklch(62.4% 0.106 201.3)
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 #EE3749, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.016
- Red Pantone #EF233C ΔE 0.020
- Strawberry #FB2943 ΔE 0.025
- Pinky Red #FC2647 ΔE 0.027
- Red Pink #FA2A55 ΔE 0.029
- Pink Red #F5054F ΔE 0.036
- Cherry Red #F7022A ΔE 0.036
- Neon Red #FF073A ΔE 0.037
Use #EE3749 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.