#DE3133
Closest named color: Imperial Red (#E63946). oklch(58.9% 0.209 26), rgb(222, 49, 51).
Aa
Black text reads best on this color (4.59:1).
About this color
#DE3133 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.209 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.027 away. Black text reads best on it, at 4.59:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.59:1 |
| White text | 4.57:1 |
Values
| HEX | #DE3133 |
| RGB | rgb(222, 49, 51) |
| HSL | hsl(359, 72%, 53%) |
| OKLCH | oklch(58.9% 0.209 26) |
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 #DE3133 | 4.57:1 | AA | Lc -75.6 | Fine for body text |
| Black text on #DE3133 | 4.59:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #DE3133 text on white | 4.57:1 | AA | Lc 70.1 | Content text, not long reading |
| #DE3133 text on black | 4.59:1 | AA | Lc -31.6 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC7
oklch(88.6% 0.052 27)
-
Step 300
300
#F8A9A1
oklch(80.9% 0.095 25.8)
-
Step 400
400
#F0776E
oklch(70.7% 0.151 25.9)
-
Step 500
500
#E64C47
oklch(63% 0.191 26.1)
-
Step 600
600 (this color)
#DE3133
oklch(58.9% 0.209 26)
-
Step 700
700
#B50D1B
oklch(49.1% 0.194 26)
-
Step 800
800
#931419
oklch(42.7% 0.16 26)
-
Step 900
900
#761B1B
oklch(37.6% 0.125 25.6)
-
Step 950
950
#461210
oklch(27% 0.08 26.2)
#DE3133 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) | #675E31 | 0.227 |
| Deuteranopia (no green cones) | #92832C | 0.206 |
| Tritanopia (no blue cones) | #F40034 | 0.045 |
| Achromatopsia (no color) | #767676 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE3133
#DE3133
oklch(58.9% 0.209 26)
- #008E9A
#008E9A
oklch(59% 0.101 205.3)
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 #DE3133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.027
- Crimson #DC143C ΔE 0.032
- Red Pantone #EF233C ΔE 0.035
- Tomato Red #EC2D01 ΔE 0.037
- Faded Red #D3494E ΔE 0.038
- Cherry Red #F7022A ΔE 0.048
- Vermillion #F4320C ΔE 0.049
- Pale Red #D9544D ΔE 0.050
Use #DE3133 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.