#222873
Closest named color: Midnight Blue (#191970). oklch(32.4% 0.127 273.4), rgb(34, 40, 115).
Aa
White text reads best on this color (12.97:1).
About this color
#222873 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.127 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.039 away. White text reads best on it, at 12.97:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #222873 |
| RGB | rgb(34, 40, 115) |
| HSL | hsl(236, 54%, 29%) |
| OKLCH | oklch(32.4% 0.127 273.4) |
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 #222873 | 12.97:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #222873 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #222873 text on white | 12.97:1 | AAA | Lc 98.8 | Preferred for body text |
| #222873 text on black | 1.61:1 | 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 900.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CDD7FD
oklch(88.4% 0.054 273.7)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8397FF
oklch(70.7% 0.153 273.6)
-
Step 500
500
#6779FD
oklch(63.1% 0.195 273.6)
-
Step 600
600
#515EEC
oklch(55.6% 0.211 273.3)
-
Step 700
700
#424CCD
oklch(49% 0.197 273.2)
-
Step 800
800
#363FA6
oklch(42.6% 0.164 273.4)
-
Step 900
900 (this color)
#222873
oklch(32.4% 0.127 273.4)
-
Step 950
950
#1B214D
oklch(27% 0.081 273.9)
#222873 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) | #003575 | 0.040 |
| Deuteranopia (no green cones) | #002E72 | 0.031 |
| Tritanopia (no blue cones) | #003B49 | 0.104 |
| Achromatopsia (no color) | #313131 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #222873
#222873
oklch(32.4% 0.127 273.4)
- #3F3200
#3F3200
oklch(32.2% 0.066 92.9)
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 #222873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.039
- Marine #042E60 ΔE 0.047
- Marine Blue #01386A ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.065
- Royal #0C1793 ΔE 0.068
- Twilight Blue #0A437A ΔE 0.073
- Dark Royal Blue #02066F ΔE 0.083
- Deep Blue #040273 ΔE 0.084
Use #222873 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.