#012751
Closest named color: Marine (#042E60). oklch(27.5% 0.087 254.5), rgb(1, 39, 81).
Aa
White text reads best on this color (14.89:1).
About this color
#012751 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.087 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.034 away. White text reads best on it, at 14.89:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.41:1 |
| White text | 14.89:1 |
Values
| HEX | #012751 |
| RGB | rgb(1, 39, 81) |
| HSL | hsl(212, 98%, 16%) |
| OKLCH | oklch(27.5% 0.087 254.5) |
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 #012751 | 14.89:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #012751 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #012751 text on white | 14.89:1 | AAA | Lc 101.3 | Preferred for body text |
| #012751 text on black | 1.41:1 | 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
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DDEBFE
oklch(93.5% 0.03 256)
-
Step 200
200
#C0DCFF
oklch(88.5% 0.057 254.1)
-
Step 300
300
#95C4FF
oklch(80.9% 0.098 254.5)
-
Step 400
400
#56A3FF
oklch(70.8% 0.155 254.3)
-
Step 500
500
#0687FF
oklch(63% 0.202 254.6)
-
Step 600
600
#0071D9
oklch(55.6% 0.181 254.6)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#004E98
oklch(42.8% 0.138 254.3)
-
Step 900
900
#004080
oklch(37.6% 0.123 254.7)
-
Step 950
950 (this color)
#012751
oklch(27.5% 0.087 254.5)
#012751 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) | #0E2B53 | 0.018 |
| Deuteranopia (no green cones) | #002450 | 0.010 |
| Tritanopia (no blue cones) | #003138 | 0.064 |
| Achromatopsia (no color) | #272727 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #012751
#012751
oklch(27.5% 0.087 254.5)
- #382300
#382300
oklch(27.6% 0.058 75.5)
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 #012751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.056
- Dark #1B2431 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.063
- Marine Blue #01386A ΔE 0.066
- Midnight Blue #191970 ΔE 0.068
- Navy Blue #001146 ΔE 0.068
Use #012751 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.