#0F1A42
Closest named color: Navy Blue (#001146). oklch(23.5% 0.077 268.3), rgb(15, 26, 66).
Aa
White text reads best on this color (16.84:1).
About this color
#0F1A42 is a very dark, moderately saturated blue. In OKLCH its lightness is 24%, its chroma 0.077 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.036 away. White text reads best on it, at 16.84:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.24:1 |
| White text | 16.84:1 |
Values
| HEX | #0F1A42 |
| RGB | rgb(15, 26, 66) |
| HSL | hsl(227, 63%, 16%) |
| OKLCH | oklch(23.5% 0.077 268.3) |
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 #0F1A42 | 16.84:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #0F1A42 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #0F1A42 text on white | 16.84:1 | AAA | Lc 103.6 | Preferred for body text |
| #0F1A42 text on black | 1.24:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FC
oklch(88.6% 0.051 268.1)
-
Step 300
300
#A7BFFD
oklch(80.9% 0.092 268)
-
Step 400
400
#7A9BFC
oklch(70.7% 0.147 268.3)
-
Step 500
500
#5A7EF9
oklch(63% 0.188 268.3)
-
Step 600
600
#4364E8
oklch(55.7% 0.203 268.3)
-
Step 700
700
#3552CA
oklch(49.2% 0.189 268.2)
-
Step 800
800
#2C44A3
oklch(42.8% 0.156 268.2)
-
Step 900
900
#273A81
oklch(37.6% 0.122 268.6)
-
Step 950
950 (this color)
#0F1A42
oklch(23.5% 0.077 268.3)
#0F1A42 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) | #012043 | 0.021 |
| Deuteranopia (no green cones) | #001B41 | 0.017 |
| Tritanopia (no blue cones) | #00242B | 0.063 |
| Achromatopsia (no color) | #1D1D1D | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1A42
#0F1A42
oklch(23.5% 0.077 268.3)
- #271C00
#271C00
oklch(23.3% 0.048 88.1)
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 #0F1A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.036
- Rich Black #0D1B2A ΔE 0.048
- Oxford Blue #1B263B ΔE 0.049
- Dark Indigo #1F0954 ΔE 0.054
- Dark #1B2431 ΔE 0.055
- Night Blue #040348 ΔE 0.062
- Jet #212529 ΔE 0.074
- Darkblue #030764 ΔE 0.074
Use #0F1A42 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.