#D63428
Closest named color: Crimson (#DC143C). oklch(57.7% 0.2 29.1), rgb(214, 52, 40).
Aa
White text reads best on this color (4.79:1).
About this color
#D63428 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.200 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.040 away. White text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #D63428 |
| RGB | rgb(214, 52, 40) |
| HSL | hsl(4, 69%, 50%) |
| OKLCH | oklch(57.7% 0.2 29.1) |
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 #D63428 | 4.79:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #D63428 | 4.38:1 | AA large text | Lc 32.4 | Non-text elements, placeholder text |
| #D63428 text on white | 4.79:1 | AA | Lc 71.7 | Content text, not long reading |
| #D63428 text on black | 4.38:1 | AA large text | Lc -29.9 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC6
oklch(88.4% 0.051 28.7)
-
Step 300
300
#F5AB9F
oklch(80.9% 0.09 29.4)
-
Step 400
400
#ED7A6B
oklch(70.7% 0.145 28.9)
-
Step 500
500
#E35142
oklch(63.1% 0.184 29.1)
-
Step 600
600 (this color)
#D63428
oklch(57.7% 0.2 29.1)
-
Step 700
700
#B21A13
oklch(49% 0.186 29)
-
Step 800
800
#911B13
oklch(42.8% 0.154 29.2)
-
Step 900
900
#741F17
oklch(37.6% 0.12 29.3)
-
Step 950
950
#45140F
oklch(27.1% 0.077 28.9)
#D63428 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) | #665C24 | 0.216 |
| Deuteranopia (no green cones) | #8E7F20 | 0.195 |
| Tritanopia (no blue cones) | #EC0033 | 0.051 |
| Achromatopsia (no color) | #727272 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D63428
#D63428
oklch(57.7% 0.2 29.1)
- #008999
#008999
oklch(57.7% 0.099 209.1)
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 #D63428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.040
- Faded Red #D3494E ΔE 0.041
- Imperial Red #E63946 ΔE 0.044
- Tomato Red #EC2D01 ΔE 0.044
- Dark Coral #CF524E ΔE 0.050
- Cherry #CF0234 ΔE 0.050
- Deep Orange #DC4D01 ΔE 0.051
- Red Pantone #EF233C ΔE 0.053
Use #D63428 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.