#D50F3F
Closest named color: Crimson (#DC143C). oklch(55.7% 0.218 18.2), rgb(213, 15, 63).
Aa
White text reads best on this color (5.29:1).
About this color
#D50F3F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.218 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.016 away. White text reads best on it, at 5.29:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.218) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #D50F3F |
| RGB | rgb(213, 15, 63) |
| HSL | hsl(345, 87%, 45%) |
| OKLCH | oklch(55.7% 0.218 18.2) |
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 #D50F3F | 5.29:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #D50F3F | 3.96:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #D50F3F text on white | 5.29:1 | AA | Lc 73.9 | Content text, not long reading |
| #D50F3F text on black | 3.96:1 | AA large text | Lc -27.8 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FBCBCB
oklch(88.4% 0.055 18.2)
-
Step 300
300
#FAA7A8
oklch(81% 0.098 18.7)
-
Step 400
400
#F2737B
oklch(70.7% 0.156 18.1)
-
Step 500
500
#E94459
oklch(63% 0.2 18.1)
-
Step 600
600 (this color)
#D50F3F
oklch(55.7% 0.218 18.2)
-
Step 700
700
#B60032
oklch(49.2% 0.197 18.4)
-
Step 800
800
#950629
oklch(42.7% 0.168 18.3)
-
Step 900
900
#781625
oklch(37.7% 0.131 18.5)
-
Step 950
950
#471016
oklch(27.1% 0.083 18.6)
#D50F3F 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) | #57523F | 0.244 |
| Deuteranopia (no green cones) | #867939 | 0.220 |
| Tritanopia (no blue cones) | #EA0028 | 0.047 |
| Achromatopsia (no color) | #6B6B6B | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D50F3F
#D50F3F
oklch(55.7% 0.218 18.2)
- #008488
#008488
oklch(55.7% 0.095 198.5)
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 #D50F3F, closest first.
No curated palette has a color within ΔE 0.04 of #D50F3F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.016
- Cherry #CF0234 ΔE 0.018
- Lipstick #D5174E ΔE 0.018
- Ruby #CA0147 ΔE 0.029
- Lipstick Red #C0022F ΔE 0.048
- Cerise #DE0C62 ΔE 0.050
- Rose Red #BE013C ΔE 0.051
- Dark Hot Pink #D90166 ΔE 0.055
Use #D50F3F 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.