#122D5F
Closest named color: Marine (#042E60). oklch(30.8% 0.095 261.4), rgb(18, 45, 95).
Aa
White text reads best on this color (13.40:1).
About this color
#122D5F is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.095 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.010 away. White text reads best on it, at 13.40:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.56:1 |
| White text | 13.40:1 |
Values
| HEX | #122D5F |
| RGB | rgb(18, 45, 95) |
| HSL | hsl(219, 68%, 22%) |
| OKLCH | oklch(30.8% 0.095 261.4) |
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 #122D5F | 13.40:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #122D5F | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #122D5F text on white | 13.40:1 | AAA | Lc 99.5 | Preferred for body text |
| #122D5F text on black | 1.56:1 | 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
#DFEBFF
oklch(93.7% 0.03 260.7)
-
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
#699FFF
oklch(70.8% 0.152 261.1)
-
Step 500
500
#3F82FF
oklch(63.1% 0.198 261.5)
-
Step 600
600
#0162FF
oklch(55.6% 0.245 261.4)
-
Step 700
700
#0052D9
oklch(49.2% 0.217 261.4)
-
Step 800
800
#0042B4
oklch(42.7% 0.19 261.5)
-
Step 900
900
#0A3A8F
oklch(37.7% 0.149 261.2)
-
Step 950
950 (this color)
#122D5F
oklch(30.8% 0.095 261.4)
#122D5F 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) | #103361 | 0.018 |
| Deuteranopia (no green cones) | #002C5E | 0.014 |
| Tritanopia (no blue cones) | #003941 | 0.075 |
| Achromatopsia (no color) | #2F2F2F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122D5F
#122D5F
oklch(30.8% 0.095 261.4)
- #402C00
#402C00
oklch(30.9% 0.064 81.6)
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 #122D5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.010
- Prussian Blue #1D3557 ΔE 0.034
- Marine Blue #01386A ΔE 0.036
- Midnight Blue #191970 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.060
- Midnight Green #073B4C ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.063
- Oxford Blue #1B263B ΔE 0.066
Use #122D5F 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.