#E33227
Closest named color: Tomato Red (#EC2D01). oklch(59.8% 0.214 28.9), rgb(227, 50, 39).
Aa
Black text reads best on this color (4.75:1).
About this color
#E33227 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.214 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.022 away. Black text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.214) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #E33227 |
| RGB | rgb(227, 50, 39) |
| HSL | hsl(4, 77%, 52%) |
| OKLCH | oklch(59.8% 0.214 28.9) |
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 #E33227 | 4.41:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #E33227 | 4.75:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #E33227 text on white | 4.41:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #E33227 text on black | 4.75:1 | AA | Lc -32.7 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FDCBC3
oklch(88.4% 0.058 28.8)
-
Step 300
300
#FDA79A
oklch(81% 0.104 29)
-
Step 400
400
#F77161
oklch(70.6% 0.168 28.9)
-
Step 500
500 (this color)
#E33227
oklch(59.8% 0.214 28.9)
-
Step 600
600
#D90004
oklch(55.6% 0.228 28.9)
-
Step 700
700
#B80003
oklch(49.2% 0.201 28.9)
-
Step 800
800
#980002
oklch(42.7% 0.175 28.9)
-
Step 900
900
#7B120D
oklch(37.7% 0.14 28.8)
-
Step 950
950
#490F0A
oklch(27.1% 0.088 29.1)
#E33227 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) | #6B5F23 | 0.230 |
| Deuteranopia (no green cones) | #96861D | 0.209 |
| Tritanopia (no blue cones) | #FA0032 | 0.049 |
| Achromatopsia (no color) | #787878 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E33227
#E33227
oklch(59.8% 0.214 28.9)
- #0090A0
#0090A0
oklch(59.8% 0.103 208.5)
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 #E33227, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.022
- Imperial Red #E63946 ΔE 0.029
- Red Pantone #EF233C ΔE 0.033
- Vermillion #F4320C ΔE 0.036
- Cherry Red #F7022A ΔE 0.042
- Crimson #DC143C ΔE 0.044
- Faded Red #D3494E ΔE 0.046
- Deep Orange #DC4D01 ΔE 0.047
Use #E33227 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.