#D43633
Closest named color: Faded Red (#D3494E). oklch(57.6% 0.195 26.7), rgb(212, 54, 51).
Aa
White text reads best on this color (4.80:1).
About this color
#D43633 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.195 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Red (#D3494E), ΔE 0.034 away. White text reads best on it, at 4.80:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Faded Red (#D3494E) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #D43633 |
| RGB | rgb(212, 54, 51) |
| HSL | hsl(1, 65%, 52%) |
| OKLCH | oklch(57.6% 0.195 26.7) |
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 #D43633 | 4.80:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #D43633 | 4.37:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #D43633 text on white | 4.80:1 | AA | Lc 71.9 | Content text, not long reading |
| #D43633 text on black | 4.37:1 | AA large text | Lc -29.8 | Dividers and decoration only |
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 600.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CEC8
oklch(88.6% 0.048 27.6)
-
Step 300
300
#F4ABA2
oklch(80.9% 0.088 27)
-
Step 400
400
#EB7B70
oklch(70.7% 0.14 27)
-
Step 500
500
#E1524B
oklch(63% 0.18 26.4)
-
Step 600
600 (this color)
#D43633
oklch(57.6% 0.195 26.7)
-
Step 700
700
#B11E20
oklch(49.2% 0.182 26.6)
-
Step 800
800
#8F1D1C
oklch(42.6% 0.15 26.7)
-
Step 900
900
#73201D
oklch(37.6% 0.117 26.5)
-
Step 950
950
#441412
oklch(27% 0.075 25.8)
#D43633 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) | #665C31 | 0.210 |
| Deuteranopia (no green cones) | #8D7F2D | 0.193 |
| Tritanopia (no blue cones) | #E90037 | 0.049 |
| Achromatopsia (no color) | #727272 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D43633
#D43633
oklch(57.6% 0.195 26.7)
- #008996
#008996
oklch(57.6% 0.099 206.5)
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 #D43633, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Red #D3494E ΔE 0.034
- Crimson #DC143C ΔE 0.036
- Imperial Red #E63946 ΔE 0.041
- Dark Coral #CF524E ΔE 0.045
- Cherry #CF0234 ΔE 0.047
- Dull Red #BB3F3F ΔE 0.048
- Tomato Red #EC2D01 ΔE 0.051
- Pale Red #D9544D ΔE 0.052
Use #D43633 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.