#022233
Closest named color: Rich Black (#0D1B2A). oklch(23.9% 0.049 236.4), rgb(2, 34, 51).
Aa
White text reads best on this color (16.41:1).
About this color
#022233 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.049 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.027 away. White text reads best on it, at 16.41:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.27:1 |
| White text | 16.41:1 |
Values
| HEX | #022233 |
| RGB | rgb(2, 34, 51) |
| HSL | hsl(201, 92%, 10%) |
| OKLCH | oklch(23.9% 0.049 236.4) |
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 #022233 | 16.41:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #022233 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #022233 text on white | 16.41:1 | AAA | Lc 103.1 | Preferred for body text |
| #022233 text on black | 1.27:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9DC7E2
oklch(80.9% 0.059 236.7)
-
Step 400
400
#64AAD3
oklch(70.8% 0.093 235.8)
-
Step 500
500
#3093C8
oklch(63.1% 0.119 236.9)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#084765
oklch(37.7% 0.077 236.4)
-
Step 950
950 (this color)
#022233
oklch(23.9% 0.049 236.4)
#022233 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) | #1A2234 | 0.029 |
| Deuteranopia (no green cones) | #131D33 | 0.024 |
| Tritanopia (no blue cones) | #002628 | 0.030 |
| Achromatopsia (no color) | #1F1F1F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #022233
#022233
oklch(23.9% 0.049 236.4)
- #301805
#301805
oklch(23.8% 0.049 56.7)
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 #022233, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.027
- Dark #1B2431 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.037
- Jet #212529 ΔE 0.046
- Navy Blue #001146 ΔE 0.068
- Rich Navy #001219 ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.074
- Gunmetal #293241 ΔE 0.081
Use #022233 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.