#223154
Closest named color: Prussian Blue (#1D3557). oklch(31.9% 0.066 265.3), rgb(34, 49, 84).
Aa
White text reads best on this color (12.84:1).
About this color
#223154 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.066 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.013 away. White text reads best on it, at 12.84:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.84:1 |
Values
| HEX | #223154 |
| RGB | rgb(34, 49, 84) |
| HSL | hsl(222, 42%, 23%) |
| OKLCH | oklch(31.9% 0.066 265.3) |
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 #223154 | 12.84:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #223154 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #223154 text on white | 12.84:1 | AAA | Lc 98.9 | Preferred for body text |
| #223154 text on black | 1.63:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CBD9F7
oklch(88.4% 0.044 265.6)
-
Step 300
300
#A8C0F4
oklch(80.8% 0.079 265.4)
-
Step 400
400
#7B9EEF
oklch(70.7% 0.125 265.6)
-
Step 500
500
#5A84E9
oklch(63.2% 0.159 265.2)
-
Step 600
600
#416BD7
oklch(55.7% 0.172 265.2)
-
Step 700
700
#3358BB
oklch(49.1% 0.162 265.4)
-
Step 800
800
#2B4997
oklch(42.8% 0.133 265.3)
-
Step 900
900
#263E78
oklch(37.7% 0.103 265)
-
Step 950
950 (this color)
#223154
oklch(31.9% 0.066 265.3)
#223154 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) | #233455 | 0.010 |
| Deuteranopia (no green cones) | #1D3053 | 0.008 |
| Tritanopia (no blue cones) | #06393E | 0.060 |
| Achromatopsia (no color) | #323232 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223154
#223154
oklch(31.9% 0.066 265.3)
- #412F00
#412F00
oklch(31.7% 0.065 85.4)
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 #223154, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.034
- Gunmetal #293241 ΔE 0.037
- Marine #042E60 ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.038
- Midnight Green #073B4C ΔE 0.044
- Marine Blue #01386A ΔE 0.045
- Oxford Blue #1B263B ΔE 0.055
Use #223154 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.