#E3313C
Closest named color: Imperial Red (#E63946). oklch(59.9% 0.212 23.7), rgb(227, 49, 60).
Aa
Black text reads best on this color (4.77:1).
About this color
#E3313C is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.212 and its hue 24°. 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 4.77:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.77:1 |
| White text | 4.40:1 |
Values
| HEX | #E3313C |
| RGB | rgb(227, 49, 60) |
| HSL | hsl(356, 76%, 54%) |
| OKLCH | oklch(59.9% 0.212 23.7) |
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 #E3313C | 4.40:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #E3313C | 4.77:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #E3313C text on white | 4.40:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #E3313C text on black | 4.77:1 | AA | Lc -32.8 | 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
#FEE3E0
oklch(93.7% 0.03 25.3)
-
Step 200
200
#FDCBC7
oklch(88.5% 0.057 23.6)
-
Step 300
300
#FDA6A0
oklch(80.9% 0.104 23.9)
-
Step 400
400
#F7706D
oklch(70.7% 0.167 23.5)
-
Step 500
500 (this color)
#E3313C
oklch(59.9% 0.212 23.7)
-
Step 600
600
#D80029
oklch(55.6% 0.225 23.7)
-
Step 700
700
#B70021
oklch(49.2% 0.199 23.8)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900
#7B111A
oklch(37.8% 0.139 23.5)
-
Step 950
950
#480E10
oklch(26.9% 0.087 23.5)
#E3313C 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) | #69603B | 0.231 |
| Deuteranopia (no green cones) | #948635 | 0.213 |
| Tritanopia (no blue cones) | #FA0037 | 0.045 |
| Achromatopsia (no color) | #787878 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3313C
#E3313C
oklch(59.9% 0.212 23.7)
- #00919C
#00919C
oklch(59.9% 0.102 204.2)
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 #E3313C, 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 0.023
- Crimson #DC143C ΔE 0.033
- Tomato Red #EC2D01 ΔE 0.038
- Faded Red #D3494E ΔE 0.039
- Cherry Red #F7022A ΔE 0.040
- Vermillion #F4320C ΔE 0.046
- Strawberry #FB2943 ΔE 0.047
Use #E3313C 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.