#D71B3B
Closest named color: Crimson (#DC143C). oklch(56.5% 0.215 20.5), rgb(215, 27, 59).
Aa
White text reads best on this color (5.11:1).
About this color
#D71B3B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.215 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.010 away. White text reads best on it, at 5.11:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.215) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #D71B3B |
| RGB | rgb(215, 27, 59) |
| HSL | hsl(350, 78%, 47%) |
| OKLCH | oklch(56.5% 0.215 20.5) |
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 #D71B3B | 5.11:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #D71B3B | 4.10:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #D71B3B text on white | 5.11:1 | AA | Lc 73.1 | Content text, not long reading |
| #D71B3B text on black | 4.10:1 | AA large text | Lc -28.6 | 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
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#F9A8A6
oklch(81% 0.096 21)
-
Step 400
400
#F27477
oklch(70.8% 0.155 20.4)
-
Step 500
500
#E94754
oklch(63.2% 0.198 20.6)
-
Step 600
600 (this color)
#D71B3B
oklch(56.5% 0.215 20.5)
-
Step 700
700
#B6002C
oklch(49.1% 0.197 20.5)
-
Step 800
800
#950B25
oklch(42.8% 0.166 20.4)
-
Step 900
900
#771822
oklch(37.7% 0.129 20.7)
-
Step 950
950
#461115
oklch(27% 0.081 20.2)
#D71B3B 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) | #5C553A | 0.238 |
| Deuteranopia (no green cones) | #897B34 | 0.216 |
| Tritanopia (no blue cones) | #ED002B | 0.044 |
| Achromatopsia (no color) | #6E6E6E | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D71B3B
#D71B3B
oklch(56.5% 0.215 20.5)
- #00868C
#00868C
oklch(56.4% 0.096 200.3)
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 #D71B3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.010
- Cherry #CF0234 ΔE 0.024
- Lipstick #D5174E ΔE 0.026
- Ruby #CA0147 ΔE 0.040
- Imperial Red #E63946 ΔE 0.049
- Red Pantone #EF233C ΔE 0.051
- Faded Red #D3494E ΔE 0.053
- Lipstick Red #C0022F ΔE 0.054
Use #D71B3B 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.