#E3211F
Closest named color: Tomato Red (#EC2D01). oklch(58.7% 0.225 28.1), rgb(227, 33, 31).
Aa
White text reads best on this color (4.66:1).
About this color
#E3211F is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.225 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.028 away. White text reads best on it, at 4.66:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.225) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #E3211F |
| RGB | rgb(227, 33, 31) |
| HSL | hsl(1, 78%, 51%) |
| OKLCH | oklch(58.7% 0.225 28.1) |
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 #E3211F | 4.66:1 | AA | Lc -75.7 | Fine for body text |
| Black text on #E3211F | 4.50:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #E3211F text on white | 4.66:1 | AA | Lc 70.3 | Content text, not long reading |
| #E3211F text on black | 4.50:1 | AA | Lc -31.4 | 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 600.
-
Step 50
50
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC5
oklch(88.5% 0.056 27.9)
-
Step 300
300
#FBA89C
oklch(81% 0.1 28.5)
-
Step 400
400
#F57365
oklch(70.7% 0.162 28.1)
-
Step 500
500
#EC443A
oklch(63.1% 0.206 28)
-
Step 600
600 (this color)
#E3211F
oklch(58.7% 0.225 28.1)
-
Step 700
700
#B8000A
oklch(49.2% 0.201 28.1)
-
Step 800
800
#970308
oklch(42.6% 0.173 28.1)
-
Step 900
900
#791612
oklch(37.6% 0.134 28.1)
-
Step 950
950
#48100C
oklch(27.1% 0.086 28.3)
#E3211F 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) | #655A1B | 0.245 |
| Deuteranopia (no green cones) | #93830F | 0.221 |
| Tritanopia (no blue cones) | #FB0025 | 0.046 |
| Achromatopsia (no color) | #747474 | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3211F
#E3211F
oklch(58.7% 0.225 28.1)
- #008C9B
#008C9B
oklch(58.5% 0.101 208)
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 #E3211F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.028
- Red Pantone #EF233C ΔE 0.034
- Crimson #DC143C ΔE 0.035
- Imperial Red #E63946 ΔE 0.038
- Cherry Red #F7022A ΔE 0.040
- Vermillion #F4320C ΔE 0.044
- Fire Engine Red #FE0002 ΔE 0.051
- Bright Red #FF000D ΔE 0.053
Use #E3211F 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.