#22284F
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.071 274.6), rgb(34, 40, 79).
Aa
White text reads best on this color (14.14:1).
About this color
#22284F is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.071 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.035 away. White text reads best on it, at 14.14:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.48:1 |
| White text | 14.14:1 |
Values
| HEX | #22284F |
| RGB | rgb(34, 40, 79) |
| HSL | hsl(232, 40%, 22%) |
| OKLCH | oklch(29.3% 0.071 274.6) |
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 #22284F | 14.14:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #22284F | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #22284F text on white | 14.14:1 | AAA | Lc 100.7 | Preferred for body text |
| #22284F text on black | 1.48:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#CFD7F9
oklch(88.4% 0.048 274.9)
-
Step 300
300
#B0BDF7
oklch(80.9% 0.083 274.6)
-
Step 400
400
#8899F4
oklch(70.8% 0.134 274.4)
-
Step 500
500
#6D7CEF
oklch(63.1% 0.171 274.8)
-
Step 600
600
#5762DE
oklch(55.6% 0.187 274.7)
-
Step 700
700
#4750C1
oklch(49.1% 0.174 274.5)
-
Step 800
800
#3A429C
oklch(42.6% 0.145 274.6)
-
Step 900
900
#31397C
oklch(37.6% 0.113 274.5)
-
Step 950
950 (this color)
#22284F
oklch(29.3% 0.071 274.6)
#22284F 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) | #172D50 | 0.020 |
| Deuteranopia (no green cones) | #13294E | 0.020 |
| Tritanopia (no blue cones) | #0E3037 | 0.063 |
| Achromatopsia (no color) | #2B2B2B | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22284F
#22284F
oklch(29.3% 0.071 274.6)
- #362B00
#362B00
oklch(29.3% 0.06 93.8)
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 #22284F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.040
- Marine #042E60 ΔE 0.041
- Gunmetal #293241 ΔE 0.048
- Dark #1B2431 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.063
- Marine Blue #01386A ΔE 0.064
Use #22284F 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.