#DD3B33
Closest named color: Imperial Red (#E63946). oklch(59.6% 0.2 27.9), rgb(221, 59, 51).
Aa
Black text reads best on this color (4.74:1).
About this color
#DD3B33 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.200 and its hue 28°. 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 4.74:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #DD3B33 |
| RGB | rgb(221, 59, 51) |
| HSL | hsl(3, 71%, 53%) |
| OKLCH | oklch(59.6% 0.2 27.9) |
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 #DD3B33 | 4.42:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #DD3B33 | 4.74:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #DD3B33 text on white | 4.42:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #DD3B33 text on black | 4.74:1 | AA | Lc -32.4 | 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 500.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCCC5
oklch(88.4% 0.054 28.1)
-
Step 300
300
#FAA89E
oklch(80.9% 0.099 27.1)
-
Step 400
400
#F27568
oklch(70.6% 0.156 27.8)
-
Step 500
500 (this color)
#DD3B33
oklch(59.6% 0.2 27.9)
-
Step 600
600
#D5171A
oklch(55.6% 0.217 27.8)
-
Step 700
700
#B8000C
oklch(49.2% 0.201 27.9)
-
Step 800
800
#950C0E
oklch(42.6% 0.167 27.9)
-
Step 900
900
#781915
oklch(37.7% 0.13 27.8)
-
Step 950
950
#47110D
oklch(27% 0.083 28.2)
#DD3B33 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) | #6C6130 | 0.214 |
| Deuteranopia (no green cones) | #94852C | 0.196 |
| Tritanopia (no blue cones) | #F3003B | 0.054 |
| Achromatopsia (no color) | #787878 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD3B33
#DD3B33
oklch(59.6% 0.2 27.9)
- #00909F
#00909F
oklch(59.7% 0.103 207.7)
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 #DD3B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.027
- Faded Red #D3494E ΔE 0.032
- Tomato Red #EC2D01 ΔE 0.035
- Pale Red #D9544D ΔE 0.040
- Red Pantone #EF233C ΔE 0.040
- Dark Coral #CF524E ΔE 0.042
- Crimson #DC143C ΔE 0.044
- Deep Orange #DC4D01 ΔE 0.045
Use #DD3B33 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.