#D21747
Closest named color: Lipstick (#D5174E). oklch(55.6% 0.212 15.8), rgb(210, 23, 71).
Aa
White text reads best on this color (5.31:1).
About this color
#D21747 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.212 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick (#D5174E), ΔE 0.011 away. White text reads best on it, at 5.31:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Lipstick (#D5174E) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #D21747 |
| RGB | rgb(210, 23, 71) |
| HSL | hsl(345, 80%, 46%) |
| OKLCH | oklch(55.6% 0.212 15.8) |
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 #D21747 | 5.31:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #D21747 | 3.95:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #D21747 text on white | 5.31:1 | AA | Lc 74.3 | Content text, not long reading |
| #D21747 text on black | 3.95:1 | AA large text | Lc -27.4 | 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
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FACCCD
oklch(88.5% 0.052 16.7)
-
Step 300
300
#F8A7AC
oklch(80.8% 0.096 15.4)
-
Step 400
400
#F07480
oklch(70.7% 0.153 15.8)
-
Step 500
500
#E74760
oklch(63.1% 0.196 15.9)
-
Step 600
600 (this color)
#D21747
oklch(55.6% 0.212 15.8)
-
Step 700
700
#B50039
oklch(49.1% 0.196 15.7)
-
Step 800
800
#930C2F
oklch(42.6% 0.163 15.8)
-
Step 900
900
#76182A
oklch(37.6% 0.127 15.5)
-
Step 950
950
#461119
oklch(27.1% 0.081 15.7)
#D21747 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) | #575347 | 0.237 |
| Deuteranopia (no green cones) | #847842 | 0.215 |
| Tritanopia (no blue cones) | #E7002F | 0.048 |
| Achromatopsia (no color) | #6B6B6B | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D21747
#D21747
oklch(55.6% 0.212 15.8)
- #008485
#008485
oklch(55.6% 0.095 195.7)
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 #D21747, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick #D5174E ΔE 0.011
- Ruby #CA0147 ΔE 0.023
- Cherry #CF0234 ΔE 0.023
- Crimson #DC143C ΔE 0.024
- Cerise #DE0C62 ΔE 0.044
- Rose Red #BE013C ΔE 0.047
- Dark Hot Pink #D90166 ΔE 0.048
- Lipstick Red #C0022F ΔE 0.048
Use #D21747 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.