#0C003F
Closest named color: Night Blue (#040348). oklch(17.7% 0.109 277.5), rgb(12, 0, 63).
Aa
White text reads best on this color (19.31:1).
About this color
#0C003F is a very dark, moderately saturated blue. In OKLCH its lightness is 18%, its chroma 0.109 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Night Blue (#040348), ΔE 0.025 away. White text reads best on it, at 19.31:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Night Blue (#040348) |
| Black text | 1.08:1 |
| White text | 19.31:1 |
Values
| HEX | #0C003F |
| RGB | rgb(12, 0, 63) |
| HSL | hsl(251, 100%, 12%) |
| OKLCH | oklch(17.7% 0.109 277.5) |
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 #0C003F | 19.31:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #0C003F | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #0C003F text on white | 19.31:1 | AAA | Lc 104.9 | Preferred for body text |
| #0C003F text on black | 1.08:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E8FF
oklch(93.5% 0.031 277.9)
-
Step 200
200
#CFD6FF
oklch(88.4% 0.057 277.5)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500
#7075FF
oklch(63.1% 0.201 277.4)
-
Step 600
600
#5B50FF
oklch(55.7% 0.248 277.4)
-
Step 700
700
#4D2CF2
oklch(49.1% 0.268 277.6)
-
Step 800
800
#3E29C3
oklch(42.7% 0.221 277.6)
-
Step 900
900
#332A9A
oklch(37.7% 0.173 277.7)
-
Step 950
950 (this color)
#0C003F
oklch(17.7% 0.109 277.5)
#0C003F 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) | #001041 | 0.039 |
| Deuteranopia (no green cones) | #000B3E | 0.030 |
| Tritanopia (no blue cones) | #001421 | 0.083 |
| Achromatopsia (no color) | #0E0E0E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C003F
#0C003F
oklch(17.7% 0.109 277.5)
- #151100
#151100
oklch(17.7% 0.037 99.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #0C003F
These curated palettes and gradients contain exactly #0C003F. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Night Blue #040348 ΔE 0.025
- Dark Navy #000435 ΔE 0.033
- Very Dark Blue #000133 ΔE 0.039
- Midnight #03012D ΔE 0.043
- Navy Blue #001146 ΔE 0.043
- Dark Navy Blue #00022E ΔE 0.046
- Dark Indigo #1F0954 ΔE 0.065
- Midnight Purple #280137 ΔE 0.074
Use #0C003F 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.