#DD3F43
Closest named color: Imperial Red (#E63946). oklch(60.2% 0.195 24), rgb(221, 63, 67).
Aa
Black text reads best on this color (4.86:1).
About this color
#DD3F43 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.195 and its hue 24°. 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 4.86:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #DD3F43 |
| RGB | rgb(221, 63, 67) |
| HSL | hsl(358, 70%, 56%) |
| OKLCH | oklch(60.2% 0.195 24) |
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 #DD3F43 | 4.31:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #DD3F43 | 4.86:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #DD3F43 text on white | 4.31:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #DD3F43 text on black | 4.86:1 | AA | Lc -33.1 | 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
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC8
oklch(88.5% 0.054 23.9)
-
Step 300
300
#F8A9A3
oklch(81% 0.094 24.2)
-
Step 400
400
#F17671
oklch(70.8% 0.153 24.1)
-
Step 500
500 (this color)
#DD3F43
oklch(60.2% 0.195 24)
-
Step 600
600
#D31C2E
oklch(55.6% 0.212 24)
-
Step 700
700
#B60421
oklch(49.1% 0.197 24)
-
Step 800
800
#94101D
oklch(42.7% 0.163 24.1)
-
Step 900
900
#771A1D
oklch(37.8% 0.127 24.2)
-
Step 950
950
#461212
oklch(27.1% 0.08 24.2)
#DD3F43 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) | #6C6442 | 0.211 |
| Deuteranopia (no green cones) | #94863E | 0.193 |
| Tritanopia (no blue cones) | #F30042 | 0.054 |
| Achromatopsia (no color) | #7A7A7A | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD3F43
#DD3F43
oklch(60.2% 0.195 24)
- #00929D
#00929D
oklch(60.2% 0.103 204.2)
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 #DD3F43, closest first.
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 0.022
- Pale Red #D9544D ΔE 0.033
- Dark Coral #CF524E ΔE 0.035
- Red Pantone #EF233C ΔE 0.038
- Pastel Red #DB5856 ΔE 0.041
- Crimson #DC143C ΔE 0.043
- Tomato Red #EC2D01 ΔE 0.046
Use #DD3F43 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.