#DD3F4F
Closest named color: Imperial Red (#E63946). oklch(60.4% 0.194 19.8), rgb(221, 63, 79).
Aa
Black text reads best on this color (4.89:1).
About this color
#DD3F4F is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.194 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.019 away. Black text reads best on it, at 4.89:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.89:1 |
| White text | 4.28:1 |
Values
| HEX | #DD3F4F |
| RGB | rgb(221, 63, 79) |
| HSL | hsl(354, 70%, 56%) |
| OKLCH | oklch(60.4% 0.194 19.8) |
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 #DD3F4F | 4.28:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #DD3F4F | 4.89:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #DD3F4F text on white | 4.28:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #DD3F4F text on black | 4.89:1 | AA | Lc -33.3 | 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
#FACCCB
oklch(88.5% 0.052 19.6)
-
Step 300
300
#F8A8A8
oklch(80.9% 0.095 19.3)
-
Step 400
400
#F07579
oklch(70.7% 0.152 19.7)
-
Step 500
500 (this color)
#DD3F4F
oklch(60.4% 0.194 19.8)
-
Step 600
600
#D21B3C
oklch(55.5% 0.211 19.8)
-
Step 700
700
#B5032E
oklch(49% 0.195 19.9)
-
Step 800
800
#930F27
oklch(42.6% 0.162 19.8)
-
Step 900
900
#761924
oklch(37.6% 0.126 19.7)
-
Step 950
950
#461116
oklch(27% 0.081 19.1)
#DD3F4F 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) | #6B654E | 0.212 |
| Deuteranopia (no green cones) | #93864A | 0.194 |
| Tritanopia (no blue cones) | #F20446 | 0.050 |
| Achromatopsia (no color) | #7A7A7A | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD3F4F
#DD3F4F
oklch(60.4% 0.194 19.8)
- #009399
#009399
oklch(60.3% 0.102 199.9)
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 #DD3F4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.019
- Faded Red #D3494E ΔE 0.022
- Pale Red #D9544D ΔE 0.036
- Dark Coral #CF524E ΔE 0.038
- Red Pantone #EF233C ΔE 0.040
- Pastel Red #DB5856 ΔE 0.041
- Crimson #DC143C ΔE 0.043
- Deep Rose #C74767 ΔE 0.051
Use #DD3F4F 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.