#E4332B
Closest named color: Tomato Red (#EC2D01). oklch(60.1% 0.214 28.3), rgb(228, 51, 43).
Aa
Black text reads best on this color (4.80:1).
About this color
#E4332B is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.214 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.023 away. Black text reads best on it, at 4.80:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.214) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.80:1 |
| White text | 4.36:1 |
Values
| HEX | #E4332B |
| RGB | rgb(228, 51, 43) |
| HSL | hsl(3, 77%, 53%) |
| OKLCH | oklch(60.1% 0.214 28.3) |
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 #E4332B | 4.36:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #E4332B | 4.80:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #E4332B text on white | 4.36:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #E4332B text on black | 4.80:1 | AA | Lc -33.1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FDCBC4
oklch(88.4% 0.058 27.5)
-
Step 300
300
#FDA79B
oklch(81% 0.104 28.3)
-
Step 400
400
#F77163
oklch(70.7% 0.167 28.1)
-
Step 500
500 (this color)
#E4332B
oklch(60.1% 0.214 28.3)
-
Step 600
600
#D9000C
oklch(55.6% 0.228 28.3)
-
Step 700
700
#B80008
oklch(49.2% 0.201 28.3)
-
Step 800
800
#980005
oklch(42.7% 0.175 28.4)
-
Step 900
900
#7B120F
oklch(37.7% 0.139 28.2)
-
Step 950
950
#490E0B
oklch(27% 0.089 27.7)
#E4332B 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) | #6B6028 | 0.231 |
| Deuteranopia (no green cones) | #978722 | 0.209 |
| Tritanopia (no blue cones) | #FB0034 | 0.049 |
| Achromatopsia (no color) | #797979 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4332B
#E4332B
oklch(60.1% 0.214 28.3)
- #0091A1
#0091A1
oklch(60.1% 0.103 208.4)
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 #E4332B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.023
- Imperial Red #E63946 ΔE 0.026
- Red Pantone #EF233C ΔE 0.031
- Vermillion #F4320C ΔE 0.035
- Cherry Red #F7022A ΔE 0.040
- Crimson #DC143C ΔE 0.044
- Faded Red #D3494E ΔE 0.045
- Deep Orange #DC4D01 ΔE 0.049
Use #E4332B 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.