#122A57
Closest named color: Marine (#042E60). oklch(29.4% 0.087 261.6), rgb(18, 42, 87).
Aa
White text reads best on this color (14.05:1).
About this color
#122A57 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.087 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.020 away. White text reads best on it, at 14.05:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.49:1 |
| White text | 14.05:1 |
Values
| HEX | #122A57 |
| RGB | rgb(18, 42, 87) |
| HSL | hsl(219, 66%, 21%) |
| OKLCH | oklch(29.4% 0.087 261.6) |
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 #122A57 | 14.05:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #122A57 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #122A57 text on white | 14.05:1 | AAA | Lc 100.5 | Preferred for body text |
| #122A57 text on black | 1.49:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#6A9EFF
oklch(70.6% 0.153 261.9)
-
Step 500
500
#4082FF
oklch(63.1% 0.198 261.6)
-
Step 600
600
#1665F6
oklch(55.6% 0.229 261.6)
-
Step 700
700
#0752D6
oklch(49% 0.213 261.6)
-
Step 800
800
#0C45AD
oklch(42.8% 0.176 261.5)
-
Step 900
900
#123B89
oklch(37.6% 0.138 261.7)
-
Step 950
950 (this color)
#122A57
oklch(29.4% 0.087 261.6)
#122A57 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) | #112F59 | 0.015 |
| Deuteranopia (no green cones) | #012956 | 0.015 |
| Tritanopia (no blue cones) | #00353C | 0.069 |
| Achromatopsia (no color) | #2C2C2C | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122A57
#122A57
oklch(29.4% 0.087 261.6)
- #3B2900
#3B2900
oklch(29.5% 0.061 82.9)
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 #122A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.039
- Marine Blue #01386A ΔE 0.050
- Oxford Blue #1B263B ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.053
- Gunmetal #293241 ΔE 0.061
- Midnight Blue #191970 ΔE 0.061
- Midnight Green #073B4C ΔE 0.063
Use #122A57 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.