#122F50
Closest named color: Prussian Blue (#1D3557). oklch(30.2% 0.069 253.6), rgb(18, 47, 80).
Aa
White text reads best on this color (13.56:1).
About this color
#122F50 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.069 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.026 away. White text reads best on it, at 13.56:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.54:1 |
| White text | 13.56:1 |
Values
| HEX | #122F50 |
| RGB | rgb(18, 47, 80) |
| HSL | hsl(212, 63%, 19%) |
| OKLCH | oklch(30.2% 0.069 253.6) |
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 #122F50 | 13.56:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #122F50 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #122F50 text on white | 13.56:1 | AAA | Lc 99.9 | Preferred for body text |
| #122F50 text on black | 1.54:1 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DCF7
oklch(88.6% 0.045 252.5)
-
Step 300
300
#9CC4F5
oklch(80.9% 0.082 253.8)
-
Step 400
400
#63A4F0
oklch(70.8% 0.131 253.4)
-
Step 500
500
#318AEB
oklch(63% 0.168 253.7)
-
Step 600
600
#0072D5
oklch(55.5% 0.175 253.6)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E95
oklch(42.6% 0.134 253.6)
-
Step 900
900
#0A427A
oklch(37.8% 0.11 253.4)
-
Step 950
950 (this color)
#122F50
oklch(30.2% 0.069 253.6)
#122F50 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) | #203151 | 0.018 |
| Deuteranopia (no green cones) | #172B4F | 0.013 |
| Tritanopia (no blue cones) | #00373B | 0.055 |
| Achromatopsia (no color) | #2E2E2E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122F50
#122F50
oklch(30.2% 0.069 253.6)
- #412800
#412800
oklch(30.1% 0.064 73.2)
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 #122F50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.026
- Marine #042E60 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.039
- Gunmetal #293241 ΔE 0.042
- Midnight Green #073B4C ΔE 0.042
- Oxford Blue #1B263B ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.046
- Marine Blue #01386A ΔE 0.050
Use #122F50 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.