#222A3F
Closest named color: Oxford Blue (#1B263B). oklch(28.8% 0.04 267.8), rgb(34, 42, 63).
Aa
White text reads best on this color (14.27:1).
About this color
#222A3F is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.040 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.019 away. White text reads best on it, at 14.27:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.47:1 |
| White text | 14.27:1 |
Values
| HEX | #222A3F |
| RGB | rgb(34, 42, 63) |
| HSL | hsl(223, 30%, 19%) |
| OKLCH | oklch(28.8% 0.04 267.8) |
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 #222A3F | 14.27:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #222A3F | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #222A3F text on white | 14.27:1 | AAA | Lc 101.0 | Preferred for body text |
| #222A3F text on black | 1.47:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B3C0E0
oklch(80.8% 0.047 267.8)
-
Step 400
400
#8C9FD1
oklch(70.6% 0.077 268.3)
-
Step 500
500
#7087C5
oklch(63.1% 0.098 268)
-
Step 600
600
#5870B2
oklch(55.6% 0.107 267.7)
-
Step 700
700
#485D99
oklch(49% 0.1 268)
-
Step 800
800
#3B4D7C
oklch(42.8% 0.082 267.1)
-
Step 900
900
#334064
oklch(37.7% 0.064 268.1)
-
Step 950
950 (this color)
#222A3F
oklch(28.8% 0.04 267.8)
#222A3F 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) | #232C40 | 0.007 |
| Deuteranopia (no green cones) | #20293F | 0.005 |
| Tritanopia (no blue cones) | #182E31 | 0.037 |
| Achromatopsia (no color) | #2A2A2A | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #222A3F
#222A3F
oklch(28.8% 0.04 267.8)
- #332A12
#332A12
oklch(28.9% 0.04 89.2)
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 #222A3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.019
- Space Cadet #2B2D42 ΔE 0.019
- Gunmetal #293241 ΔE 0.030
- Dark #1B2431 ΔE 0.033
- Jet #212529 ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.056
- Midnight Green #073B4C ΔE 0.057
Use #222A3F 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.