#222B49
Closest named color: Space Cadet (#2B2D42). oklch(29.6% 0.056 270.1), rgb(34, 43, 73).
Aa
White text reads best on this color (13.90:1).
About this color
#222B49 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.056 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.022 away. White text reads best on it, at 13.90:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.90:1 |
Values
| HEX | #222B49 |
| RGB | rgb(34, 43, 73) |
| HSL | hsl(226, 36%, 21%) |
| OKLCH | oklch(29.6% 0.056 270.1) |
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 #222B49 | 13.90:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #222B49 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #222B49 text on white | 13.90:1 | AAA | Lc 100.5 | Preferred for body text |
| #222B49 text on black | 1.50:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#B0BFED
oklch(80.9% 0.067 270.7)
-
Step 400
400
#879DE3
oklch(70.7% 0.106 270.2)
-
Step 500
500
#6A83DB
oklch(63.1% 0.136 270.2)
-
Step 600
600
#536BC9
oklch(55.6% 0.148 270.2)
-
Step 700
700
#4359AE
oklch(49.2% 0.137 269.8)
-
Step 800
800
#37498D
oklch(42.7% 0.114 269.9)
-
Step 900
900
#303E70
oklch(37.8% 0.087 270)
-
Step 950
950 (this color)
#222B49
oklch(29.6% 0.056 270.1)
#222B49 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) | #202E4A | 0.010 |
| Deuteranopia (no green cones) | #1C2B48 | 0.009 |
| Tritanopia (no blue cones) | #133136 | 0.050 |
| Achromatopsia (no color) | #2C2C2C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #222B49
#222B49
oklch(29.6% 0.056 270.1)
- #382B05
#382B05
oklch(29.6% 0.056 89)
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 #222B49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.022
- Oxford Blue #1B263B ΔE 0.031
- Gunmetal #293241 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.036
- Marine #042E60 ΔE 0.048
- Dark #1B2431 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
Use #222B49 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.