#021B22
Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.034 218.9), rgb(2, 27, 34).
Aa
White text reads best on this color (17.75:1).
About this color
#021B22 is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.034 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.023 away. White text reads best on it, at 17.75:1.
| Hue family | Teals and cyans |
| Lightness | very dark (21%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.75:1 |
Values
| HEX | #021B22 |
| RGB | rgb(2, 27, 34) |
| HSL | hsl(193, 89%, 7%) |
| OKLCH | oklch(20.6% 0.034 218.9) |
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 #021B22 | 17.75:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #021B22 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #021B22 text on white | 17.75:1 | AAA | Lc 104.4 | Preferred for body text |
| #021B22 text on black | 1.18:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A4C7D3
oklch(80.8% 0.041 220.6)
-
Step 400
400
#71ABBC
oklch(70.7% 0.065 218.2)
-
Step 500
500
#4796AC
oklch(63.2% 0.084 218.7)
-
Step 600
600
#218097
oklch(55.7% 0.091 218.2)
-
Step 700
700
#116C81
oklch(49.2% 0.084 218.5)
-
Step 800
800
#145869
oklch(42.8% 0.07 218.9)
-
Step 900
900
#1A4855
oklch(37.6% 0.054 219.6)
-
Step 950
950 (this color)
#021B22
oklch(20.6% 0.034 218.9)
#021B22 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) | #171A22 | 0.030 |
| Deuteranopia (no green cones) | #121722 | 0.025 |
| Tritanopia (no blue cones) | #001D1D | 0.015 |
| Achromatopsia (no color) | #181818 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021B22
#021B22
oklch(20.6% 0.034 218.9)
- #25120B
#25120B
oklch(20.7% 0.035 40.9)
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 #021B22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.023
- Rich Navy #001219 ΔE 0.037
- Dark #1B2431 ΔE 0.056
- Almost Black #070D0D ΔE 0.060
- Jet #212529 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.070
- Navy Blue #001146 ΔE 0.081
- Dark Navy #000435 ΔE 0.088
Use #021B22 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.