#012C4D
Closest named color: Marine (#042E60). oklch(28.6% 0.075 247.6), rgb(1, 44, 77).
Aa
White text reads best on this color (14.29:1).
About this color
#012C4D is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.075 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.035 away. White text reads best on it, at 14.29:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.46:1 |
| White text | 14.29:1 |
Values
| HEX | #012C4D |
| RGB | rgb(1, 44, 77) |
| HSL | hsl(206, 97%, 15%) |
| OKLCH | oklch(28.6% 0.075 247.6) |
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 #012C4D | 14.29:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #012C4D | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #012C4D text on white | 14.29:1 | AAA | Lc 100.7 | Preferred for body text |
| #012C4D text on black | 1.46:1 | 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
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200
#C0DDF9
oklch(88.5% 0.05 247.5)
-
Step 300
300
#92C6F7
oklch(80.8% 0.088 247.5)
-
Step 400
400
#4DA7F4
oklch(70.8% 0.142 247.3)
-
Step 500
500
#008EE9
oklch(63.1% 0.169 247.8)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#004474
oklch(37.7% 0.101 247.8)
-
Step 950
950 (this color)
#012C4D
oklch(28.6% 0.075 247.6)
#012C4D 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) | #1C2E4E | 0.027 |
| Deuteranopia (no green cones) | #0F274C | 0.017 |
| Tritanopia (no blue cones) | #003438 | 0.054 |
| Achromatopsia (no color) | #2A2A2A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #012C4D
#012C4D
oklch(28.6% 0.075 247.6)
- #3E2300
#3E2300
oklch(28.5% 0.063 67.8)
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 #012C4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.051
- Midnight Green #073B4C ΔE 0.053
- Gunmetal #293241 ΔE 0.055
- Dark #1B2431 ΔE 0.055
- Marine Blue #01386A ΔE 0.060
Use #012C4D 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.