#122E75
Closest named color: Marine Blue (#01386A). oklch(33% 0.127 264.2), rgb(18, 46, 117).
Aa
White text reads best on this color (12.54:1).
About this color
#122E75 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.127 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.036 away. White text reads best on it, at 12.54:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.67:1 |
| White text | 12.54:1 |
Values
| HEX | #122E75 |
| RGB | rgb(18, 46, 117) |
| HSL | hsl(223, 73%, 26%) |
| OKLCH | oklch(33% 0.127 264.2) |
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 #122E75 | 12.54:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #122E75 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #122E75 text on white | 12.54:1 | AAA | Lc 97.9 | Preferred for body text |
| #122E75 text on black | 1.67:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8DAFD
oklch(88.6% 0.052 263.7)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4B81FD
oklch(63.2% 0.194 264)
-
Step 600
600
#3066EC
oklch(55.6% 0.211 264.1)
-
Step 700
700
#2453CE
oklch(49.1% 0.197 264.3)
-
Step 800
800
#1F45A6
oklch(42.7% 0.162 264.3)
-
Step 900
900 (this color)
#122E75
oklch(33% 0.127 264.2)
-
Step 950
950
#12244D
oklch(27.1% 0.079 264)
#122E75 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) | #003877 | 0.027 |
| Deuteranopia (no green cones) | #002F74 | 0.012 |
| Tritanopia (no blue cones) | #00404C | 0.099 |
| Achromatopsia (no color) | #333333 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122E75
#122E75
oklch(33% 0.127 264.2)
- #453200
#453200
oklch(33% 0.068 85.3)
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 #122E75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.036
- Marine #042E60 ΔE 0.039
- Midnight Blue #191970 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.060
- Royal #0C1793 ΔE 0.066
- Dark Blue #00008B ΔE 0.084
- Navy #000080 ΔE 0.085
Use #122E75 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.