#012C50
Closest named color: Marine (#042E60). oklch(28.8% 0.079 249.6), rgb(1, 44, 80).
Aa
White text reads best on this color (14.21:1).
About this color
#012C50 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.079 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.029 away. White text reads best on it, at 14.21:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.47:1 |
| White text | 14.21:1 |
Values
| HEX | #012C50 |
| RGB | rgb(1, 44, 80) |
| HSL | hsl(207, 98%, 16%) |
| OKLCH | oklch(28.8% 0.079 249.6) |
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 #012C50 | 14.21:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #012C50 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #012C50 text on white | 14.21:1 | AAA | Lc 100.5 | Preferred for body text |
| #012C50 text on black | 1.47:1 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200
#C0DDFB
oklch(88.6% 0.052 249.3)
-
Step 300
300
#91C6FB
oklch(80.9% 0.094 249)
-
Step 400
400
#4CA6FA
oklch(70.8% 0.15 249.4)
-
Step 500
500
#008DEE
oklch(63.2% 0.176 249.3)
-
Step 600
600
#0076C9
oklch(55.6% 0.155 249.4)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518D
oklch(42.7% 0.12 249.5)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950 (this color)
#012C50
oklch(28.8% 0.079 249.6)
#012C50 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) | #1A2E51 | 0.024 |
| Deuteranopia (no green cones) | #0B284F | 0.013 |
| Tritanopia (no blue cones) | #00353A | 0.057 |
| Achromatopsia (no color) | #2B2B2B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #012C50
#012C50
oklch(28.8% 0.079 249.6)
- #3E2400
#3E2400
oklch(28.7% 0.062 69.6)
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 #012C50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.053
- Midnight Green #073B4C ΔE 0.054
- Marine Blue #01386A ΔE 0.056
- Gunmetal #293241 ΔE 0.057
- Dark #1B2431 ΔE 0.060
Use #012C50 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.