#DD3934
Closest named color: Imperial Red (#E63946). oklch(59.4% 0.201 27.2), rgb(221, 57, 52).
Aa
Black text reads best on this color (4.70:1).
About this color
#DD3934 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.201 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.026 away. Black text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.70:1 |
| White text | 4.45:1 |
Values
| HEX | #DD3934 |
| RGB | rgb(221, 57, 52) |
| HSL | hsl(2, 71%, 54%) |
| OKLCH | oklch(59.4% 0.201 27.2) |
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 #DD3934 | 4.45:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #DD3934 | 4.70:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #DD3934 text on white | 4.45:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #DD3934 text on black | 4.70:1 | AA | Lc -32.2 | 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
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC6
oklch(88.5% 0.055 26.5)
-
Step 300
300
#FAA89E
oklch(80.9% 0.099 27.1)
-
Step 400
400
#F37569
oklch(70.8% 0.157 27.3)
-
Step 500
500 (this color)
#DD3934
oklch(59.4% 0.201 27.2)
-
Step 600
600
#D6141C
oklch(55.7% 0.219 27.2)
-
Step 700
700
#B70011
oklch(49% 0.2 27.1)
-
Step 800
800
#960A10
oklch(42.7% 0.169 27.3)
-
Step 900
900
#781816
oklch(37.7% 0.131 27.1)
-
Step 950
950
#47110E
oklch(27.1% 0.083 27.3)
#DD3934 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) | #6B6132 | 0.216 |
| Deuteranopia (no green cones) | #93842D | 0.198 |
| Tritanopia (no blue cones) | #F3003A | 0.051 |
| Achromatopsia (no color) | #777777 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD3934
#DD3934
oklch(59.4% 0.201 27.2)
- #008F9D
#008F9D
oklch(59.4% 0.102 206.9)
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 #DD3934, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.026
- Faded Red #D3494E ΔE 0.033
- Tomato Red #EC2D01 ΔE 0.036
- Red Pantone #EF233C ΔE 0.039
- Crimson #DC143C ΔE 0.040
- Pale Red #D9544D ΔE 0.042
- Dark Coral #CF524E ΔE 0.043
- Vermillion #F4320C ΔE 0.048
Use #DD3934 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.