#D5304B
Closest named color: Crimson (#DC143C). oklch(57.6% 0.199 17.7), rgb(213, 48, 75).
Aa
White text reads best on this color (4.82:1).
About this color
#D5304B is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.199 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.025 away. White text reads best on it, at 4.82:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.35:1 |
| White text | 4.82:1 |
Values
| HEX | #D5304B |
| RGB | rgb(213, 48, 75) |
| HSL | hsl(350, 66%, 51%) |
| OKLCH | oklch(57.6% 0.199 17.7) |
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 #D5304B | 4.82:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #D5304B | 4.35:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #D5304B text on white | 4.82:1 | AA | Lc 71.9 | Content text, not long reading |
| #D5304B text on black | 4.35:1 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F9CDCD
oklch(88.6% 0.05 18.1)
-
Step 300
300
#F5A9AB
oklch(80.8% 0.09 17.5)
-
Step 400
400
#EC787F
oklch(70.7% 0.143 17.7)
-
Step 500
500
#E24E5F
oklch(63% 0.183 17.5)
-
Step 600
600 (this color)
#D5304B
oklch(57.6% 0.199 17.7)
-
Step 700
700
#B11637
oklch(49.1% 0.185 17.7)
-
Step 800
800
#90182E
oklch(42.7% 0.153 17.6)
-
Step 900
900
#741D29
oklch(37.7% 0.12 17.5)
-
Step 950
950
#441318
oklch(26.9% 0.075 17.8)
#D5304B 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) | #605C4B | 0.221 |
| Deuteranopia (no green cones) | #8A7E46 | 0.201 |
| Tritanopia (no blue cones) | #EA003C | 0.043 |
| Achromatopsia (no color) | #727272 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5304B
#D5304B
oklch(57.6% 0.199 17.7)
- #008B8E
#008B8E
oklch(57.8% 0.098 197.5)
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 #D5304B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.025
- Lipstick #D5174E ΔE 0.026
- Faded Red #D3494E ΔE 0.036
- Imperial Red #E63946 ΔE 0.040
- Cherry #CF0234 ΔE 0.041
- Dark Pink #CB416B ΔE 0.045
- Deep Rose #C74767 ΔE 0.046
- Ruby #CA0147 ΔE 0.047
Use #D5304B 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.