#022428
Closest named color: Rich Black (#0D1B2A). oklch(23.9% 0.039 206.3), rgb(2, 36, 40).
Aa
White text reads best on this color (16.33:1).
About this color
#022428 is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.039 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 16.33:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.28:1 |
| White text | 16.33:1 |
Values
| HEX | #022428 |
| RGB | rgb(2, 36, 40) |
| HSL | hsl(186, 90%, 8%) |
| OKLCH | oklch(23.9% 0.039 206.3) |
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 #022428 | 16.33:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #022428 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #022428 text on white | 16.33:1 | AAA | Lc 103.1 | Preferred for body text |
| #022428 text on black | 1.28:1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300
#9FCACF
oklch(81% 0.046 205.1)
-
Step 400
400
#66AEB7
oklch(70.7% 0.073 205.9)
-
Step 500
500
#3199A6
oklch(63% 0.094 207.1)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#084B52
oklch(37.8% 0.062 206.1)
-
Step 950
950 (this color)
#022428
oklch(23.9% 0.039 206.3)
#022428 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) | #202228 | 0.038 |
| Deuteranopia (no green cones) | #1A1E28 | 0.034 |
| Tritanopia (no blue cones) | #002625 | 0.011 |
| Achromatopsia (no color) | #202020 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #022428
#022428
oklch(23.9% 0.039 206.3)
- #2F1715
#2F1715
oklch(23.8% 0.039 25.5)
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 #022428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Dark #1B2431 ΔE 0.036
- Jet #212529 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.049
- Rich Navy #001219 ΔE 0.071
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.081
Use #022428 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.