#22304D
Closest named color: Prussian Blue (#1D3557). oklch(31.2% 0.056 263.9), rgb(34, 48, 77).
Aa
White text reads best on this color (13.14:1).
About this color
#22304D is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.056 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.021 away. White text reads best on it, at 13.14:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #22304D |
| RGB | rgb(34, 48, 77) |
| HSL | hsl(220, 39%, 22%) |
| OKLCH | oklch(31.2% 0.056 263.9) |
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 #22304D | 13.14:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #22304D | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #22304D text on white | 13.14:1 | AAA | Lc 99.4 | Preferred for body text |
| #22304D text on black | 1.59:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF2
oklch(88.6% 0.036 262.8)
-
Step 300
300
#ABC1EC
oklch(80.9% 0.066 263.7)
-
Step 400
400
#7FA0E3
oklch(70.8% 0.105 263.8)
-
Step 500
500
#5F86DB
oklch(63% 0.136 264.3)
-
Step 600
600
#466FC8
oklch(55.7% 0.146 263.7)
-
Step 700
700
#375CAD
oklch(49.1% 0.136 263.7)
-
Step 800
800
#2E4B8C
oklch(42.6% 0.113 264.1)
-
Step 900
900
#293F70
oklch(37.6% 0.089 264.3)
-
Step 950
950 (this color)
#22304D
oklch(31.2% 0.056 263.9)
#22304D 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) | #25324E | 0.008 |
| Deuteranopia (no green cones) | #202F4C | 0.005 |
| Tritanopia (no blue cones) | #0E363B | 0.049 |
| Achromatopsia (no color) | #303030 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22304D
#22304D
oklch(31.2% 0.056 263.9)
- #3E2E09
#3E2E09
oklch(31.2% 0.056 84.3)
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 #22304D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.021
- Space Cadet #2B2D42 ΔE 0.023
- Gunmetal #293241 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.036
- Midnight Green #073B4C ΔE 0.041
- Oxford Blue #1B263B ΔE 0.045
- Marine #042E60 ΔE 0.045
- Onyx #343A40 ΔE 0.055
Use #22304D 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.