#00222D
Closest named color: Rich Black (#0D1B2A). oklch(23.4% 0.044 223.8), rgb(0, 34, 45).
Aa
White text reads best on this color (16.57:1).
About this color
#00222D is a very dark, muted teal or cyan. In OKLCH its lightness is 23%, its chroma 0.044 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.026 away. White text reads best on it, at 16.57:1.
| Hue family | Teals and cyans |
| Lightness | very dark (23%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.26:1 |
| White text | 16.57:1 |
Values
| HEX | #00222D |
| RGB | rgb(0, 34, 45) |
| HSL | hsl(195, 100%, 9%) |
| OKLCH | oklch(23.4% 0.044 223.8) |
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 #00222D | 16.57:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #00222D | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #00222D text on white | 16.57:1 | AAA | Lc 103.3 | Preferred for body text |
| #00222D text on black | 1.26:1 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE7
oklch(88.6% 0.028 222.3)
-
Step 300
300
#9DC9DA
oklch(81% 0.052 223.5)
-
Step 400
400
#63ACC7
oklch(70.7% 0.083 224)
-
Step 500
500
#2A97B9
oklch(63.2% 0.106 223.8)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#03495D
oklch(37.7% 0.07 224.3)
-
Step 950
950 (this color)
#00222D
oklch(23.4% 0.044 223.8)
#00222D 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) | #1C212E | 0.035 |
| Deuteranopia (no green cones) | #161D2D | 0.029 |
| Tritanopia (no blue cones) | #002526 | 0.020 |
| Achromatopsia (no color) | #1E1E1E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00222D
#00222D
oklch(23.4% 0.044 223.8)
- #2F160C
#2F160C
oklch(23.4% 0.044 42.1)
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 #00222D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.026
- Dark #1B2431 ΔE 0.035
- Jet #212529 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.045
- Rich Navy #001219 ΔE 0.066
- Navy Blue #001146 ΔE 0.077
- Space Cadet #2B2D42 ΔE 0.081
- Gunmetal #293241 ΔE 0.086
Use #00222D 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.