#DD3949
Closest named color: Imperial Red (#E63946). oklch(59.7% 0.199 20.7), rgb(221, 57, 73).
Aa
Black text reads best on this color (4.75:1).
About this color
#DD3949 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.199 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.018 away. Black text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #DD3949 |
| RGB | rgb(221, 57, 73) |
| HSL | hsl(354, 71%, 55%) |
| OKLCH | oklch(59.7% 0.199 20.7) |
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 #DD3949 | 4.41:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #DD3949 | 4.75:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #DD3949 text on white | 4.41:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #DD3949 text on black | 4.75:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#F9A7A6
oklch(80.8% 0.097 20.2)
-
Step 400
400
#F27476
oklch(70.7% 0.155 20.9)
-
Step 500
500 (this color)
#DD3949
oklch(59.7% 0.199 20.7)
-
Step 600
600
#D51237
oklch(55.7% 0.217 20.8)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#950824
oklch(42.7% 0.167 20.6)
-
Step 900
900
#781722
oklch(37.8% 0.131 20.5)
-
Step 950
950
#471014
oklch(27% 0.083 20.8)
#DD3949 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) | #686248 | 0.219 |
| Deuteranopia (no green cones) | #928544 | 0.200 |
| Tritanopia (no blue cones) | #F30040 | 0.047 |
| Achromatopsia (no color) | #787878 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD3949
#DD3949
oklch(59.7% 0.199 20.7)
- #009198
#009198
oklch(59.7% 0.102 200.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #DD3949
These curated palettes and gradients contain exactly #DD3949. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.018
- Faded Red #D3494E ΔE 0.026
- Crimson #DC143C ΔE 0.035
- Red Pantone #EF233C ΔE 0.036
- Pale Red #D9544D ΔE 0.042
- Dark Coral #CF524E ΔE 0.042
- Lipstick #D5174E ΔE 0.046
- Pastel Red #DB5856 ΔE 0.048
Use #DD3949 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.