#221827
Closest named color: Rich Black (#0D1B2A). oklch(22.8% 0.032 314.1), rgb(34, 24, 39).
Aa
White text reads best on this color (17.10:1).
About this color
#221827 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.032 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.037 away. White text reads best on it, at 17.10:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.10:1 |
Values
| HEX | #221827 |
| RGB | rgb(34, 24, 39) |
| HSL | hsl(280, 24%, 12%) |
| OKLCH | oklch(22.8% 0.032 314.1) |
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 #221827 | 17.10:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #221827 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #221827 text on white | 17.10:1 | AAA | Lc 104.0 | Preferred for body text |
| #221827 text on black | 1.22:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E3
oklch(88.4% 0.021 313.8)
-
Step 300
300
#CABAD2
oklch(81% 0.038 314.6)
-
Step 400
400
#AF96BB
oklch(70.8% 0.06 314.8)
-
Step 500
500
#9B7CAA
oklch(63.2% 0.076 314.5)
-
Step 600
600
#856496
oklch(55.5% 0.084 313.8)
-
Step 700
700
#715380
oklch(49.1% 0.078 314)
-
Step 800
800
#5C4468
oklch(42.7% 0.065 314.1)
-
Step 900
900
#4B3A54
oklch(37.7% 0.049 313.7)
-
Step 950
950 (this color)
#221827
oklch(22.8% 0.032 314.1)
#221827 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) | #161B28 | 0.024 |
| Deuteranopia (no green cones) | #181C27 | 0.023 |
| Tritanopia (no blue cones) | #221A1D | 0.023 |
| Achromatopsia (no color) | #1C1C1C | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #221827
#221827
oklch(22.8% 0.032 314.1)
- #162010
#162010
oklch(22.9% 0.033 134.4)
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 #221827, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.037
- Dark #1B2431 ΔE 0.041
- Jet #212529 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.053
- Eggplant #380835 ΔE 0.068
- Very Dark Purple #2A0134 ΔE 0.070
- Midnight Purple #280137 ΔE 0.072
- Rich Navy #001219 ΔE 0.075
Use #221827 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.