#22315A
Closest named color: Prussian Blue (#1D3557). oklch(32.3% 0.076 267), rgb(34, 49, 90).
Aa
White text reads best on this color (12.68:1).
About this color
#22315A is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.076 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.015 away. White text reads best on it, at 12.68:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #22315A |
| RGB | rgb(34, 49, 90) |
| HSL | hsl(224, 45%, 24%) |
| OKLCH | oklch(32.3% 0.076 267) |
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 #22315A | 12.68:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #22315A | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #22315A text on white | 12.68:1 | AAA | Lc 98.6 | Preferred for body text |
| #22315A text on black | 1.65:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FB
oklch(88.5% 0.05 266.5)
-
Step 300
300
#A7BFFB
oklch(80.8% 0.089 267.5)
-
Step 400
400
#789CFA
oklch(70.7% 0.144 266.9)
-
Step 500
500
#5880F7
oklch(63.2% 0.183 267.1)
-
Step 600
600
#3F66E6
oklch(55.7% 0.199 266.9)
-
Step 700
700
#3253C8
oklch(49.1% 0.186 267.1)
-
Step 800
800
#2945A2
oklch(42.7% 0.154 266.9)
-
Step 900
900
#253B80
oklch(37.6% 0.12 267.1)
-
Step 950
950 (this color)
#22315A
oklch(32.3% 0.076 267)
#22315A 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) | #1F355C | 0.012 |
| Deuteranopia (no green cones) | #183059 | 0.013 |
| Tritanopia (no blue cones) | #003A41 | 0.067 |
| Achromatopsia (no color) | #333333 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22315A
#22315A
oklch(32.3% 0.076 267)
- #423100
#423100
oklch(32.3% 0.066 87.5)
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 #22315A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.015
- Marine #042E60 ΔE 0.033
- Marine Blue #01386A ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.044
- Gunmetal #293241 ΔE 0.047
- Midnight Green #073B4C ΔE 0.050
- Oxford Blue #1B263B ΔE 0.063
Use #22315A 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.