#A20021
Closest named color: Carmine (#9D0216). oklch(45% 0.181 22.2), rgb(162, 0, 33).
Aa
White text reads best on this color (8.20:1).
About this color
#A20021 is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.181 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.015 away. White text reads best on it, at 8.20:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #A20021 |
| RGB | rgb(162, 0, 33) |
| HSL | hsl(348, 100%, 32%) |
| OKLCH | oklch(45% 0.181 22.2) |
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 #A20021 | 8.20:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #A20021 | 2.55:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #A20021 text on white | 8.20:1 | AAA | Lc 85.8 | Fine for body text |
| #A20021 text on black | 2.55:1 | Fails | Lc -16.2 | 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 800.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2E1
oklch(93.5% 0.031 20.2)
-
Step 200
200
#FECBC8
oklch(88.6% 0.058 22.2)
-
Step 300
300
#FEA5A1
oklch(80.9% 0.106 22.5)
-
Step 400
400
#F86E6F
oklch(70.6% 0.17 22)
-
Step 500
500
#F03A49
oklch(63.1% 0.217 22.1)
-
Step 600
600
#D7002F
oklch(55.5% 0.224 22.3)
-
Step 700
700
#B60026
oklch(49% 0.198 22.3)
-
Step 800
800 (this color)
#A20021
oklch(45% 0.181 22.2)
-
Step 900
900
#7C0E1C
oklch(37.8% 0.142 22.1)
-
Step 950
950
#490D11
oklch(27% 0.089 22.2)
#A20021 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) | #403A20 | 0.202 |
| Deuteranopia (no green cones) | #655A1A | 0.182 |
| Tritanopia (no blue cones) | #B30013 | 0.039 |
| Achromatopsia (no color) | #4F4F4F | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A20021
#A20021
oklch(45% 0.181 22.2)
- #006167
#006167
oklch(44.8% 0.076 202.2)
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 #A20021, closest first.
No curated palette has a color within ΔE 0.04 of #A20021.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.015
- Auburn #9B2226 ΔE 0.026
- Deep Red #9A0200 ΔE 0.029
- Blood Red #980002 ΔE 0.031
- Cranberry #9E003A ΔE 0.034
- Rouge #AB1239 ΔE 0.035
- Brown #A52A2A ΔE 0.039
- Burnt Red #9F2305 ΔE 0.039
Use #A20021 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.