#222F49
Closest named color: Space Cadet (#2B2D42). oklch(30.7% 0.05 263.4), rgb(34, 47, 73).
Aa
White text reads best on this color (13.36:1).
About this color
#222F49 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.050 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.018 away. White text reads best on it, at 13.36:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.36:1 |
Values
| HEX | #222F49 |
| RGB | rgb(34, 47, 73) |
| HSL | hsl(220, 36%, 21%) |
| OKLCH | oklch(30.7% 0.05 263.4) |
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 #222F49 | 13.36:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #222F49 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #222F49 text on white | 13.36:1 | AAA | Lc 99.7 | Preferred for body text |
| #222F49 text on black | 1.57:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAF0
oklch(88.6% 0.033 262.7)
-
Step 300
300
#ADC1E8
oklch(80.9% 0.06 263.7)
-
Step 400
400
#82A0DD
oklch(70.7% 0.096 263.9)
-
Step 500
500
#6288D3
oklch(63.2% 0.121 263)
-
Step 600
600
#4970C0
oklch(55.6% 0.132 263.2)
-
Step 700
700
#3B5DA6
oklch(49% 0.124 263.7)
-
Step 800
800
#314D87
oklch(42.9% 0.102 263.3)
-
Step 900
900
#2B406C
oklch(37.7% 0.08 263.7)
-
Step 950
950 (this color)
#222F49
oklch(30.7% 0.05 263.4)
#222F49 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) | #25314A | 0.008 |
| Deuteranopia (no green cones) | #212D48 | 0.007 |
| Tritanopia (no blue cones) | #123538 | 0.047 |
| Achromatopsia (no color) | #2F2F2F | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #222F49
#222F49
oklch(30.7% 0.05 263.4)
- #3C2D0E
#3C2D0E
oklch(30.7% 0.051 82.8)
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 #222F49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Gunmetal #293241 ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.039
- Midnight Green #073B4C ΔE 0.043
- Marine #042E60 ΔE 0.050
- Dark #1B2431 ΔE 0.054
Use #222F49 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.