#221016
Closest named color: Rich Black (#0D1B2A). oklch(20.1% 0.032 358.9), rgb(34, 16, 22).
Aa
White text reads best on this color (18.20:1).
About this color
#221016 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.032 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.057 away. White text reads best on it, at 18.20:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.20:1 |
Values
| HEX | #221016 |
| RGB | rgb(34, 16, 22) |
| HSL | hsl(340, 36%, 10%) |
| OKLCH | oklch(20.1% 0.032 358.9) |
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 #221016 | 18.20:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #221016 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #221016 text on white | 18.20:1 | AAA | Lc 104.8 | Preferred for body text |
| #221016 text on black | 1.15:1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E6D4D9
oklch(88.6% 0.021 358.7)
-
Step 300
300
#D6B7C0
oklch(80.9% 0.037 358.6)
-
Step 400
400
#C191A0
oklch(70.7% 0.061 358.3)
-
Step 500
500
#B07688
oklch(63.1% 0.076 359.3)
-
Step 600
600
#9B5E72
oklch(55.6% 0.083 359)
-
Step 700
700
#844D60
oklch(49% 0.078 358.2)
-
Step 800
800
#6C404E
oklch(42.8% 0.064 359.6)
-
Step 900
900
#583641
oklch(37.7% 0.051 358.9)
-
Step 950
950 (this color)
#221016
oklch(20.1% 0.032 358.9)
#221016 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) | #121316 | 0.035 |
| Deuteranopia (no green cones) | #171716 | 0.033 |
| Tritanopia (no blue cones) | #250F12 | 0.010 |
| Achromatopsia (no color) | #151515 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #221016
#221016
oklch(20.1% 0.032 358.9)
- #041B17
#041B17
oklch(20.2% 0.031 180.2)
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 #221016, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.057
- Very Dark Brown #1D0200 ΔE 0.060
- Almost Black #070D0D ΔE 0.064
- Dark Maroon #3C0008 ΔE 0.067
- Rich Navy #001219 ΔE 0.067
- Jet #212529 ΔE 0.071
- Dark Brown #341C02 ΔE 0.072
- Dark #1B2431 ΔE 0.073
Use #221016 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.