#0C1330
Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.058 270.2), rgb(12, 19, 48).
Aa
White text reads best on this color (18.23:1).
About this color
#0C1330 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.058 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.033 away. White text reads best on it, at 18.23:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.23:1 |
Values
| HEX | #0C1330 |
| RGB | rgb(12, 19, 48) |
| HSL | hsl(228, 60%, 12%) |
| OKLCH | oklch(19.9% 0.058 270.2) |
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 #0C1330 | 18.23:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #0C1330 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #0C1330 text on white | 18.23:1 | AAA | Lc 104.8 | Preferred for body text |
| #0C1330 text on black | 1.15:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CFD9F3
oklch(88.6% 0.037 268.9)
-
Step 300
300
#AFBFEE
oklch(80.9% 0.069 270.1)
-
Step 400
400
#869DE6
oklch(70.8% 0.11 270.1)
-
Step 500
500
#6983DF
oklch(63.2% 0.142 270.1)
-
Step 600
600
#516ACC
oklch(55.5% 0.154 270)
-
Step 700
700
#4258B1
oklch(49.1% 0.143 270)
-
Step 800
800
#37488F
oklch(42.6% 0.119 270.5)
-
Step 900
900
#2F3D72
oklch(37.6% 0.092 270.3)
-
Step 950
950 (this color)
#0C1330
oklch(19.9% 0.058 270.2)
#0C1330 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) | #041731 | 0.016 |
| Deuteranopia (no green cones) | #01142F | 0.017 |
| Tritanopia (no blue cones) | #001A1F | 0.050 |
| Achromatopsia (no color) | #151515 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C1330
#0C1330
oklch(19.9% 0.058 270.2)
- #1D1500
#1D1500
oklch(20% 0.041 90.8)
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 #0C1330, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.033
- Navy Blue #001146 ΔE 0.046
- Rich Navy #001219 ΔE 0.053
- Dark Navy #000435 ΔE 0.055
- Night Blue #040348 ΔE 0.062
- Midnight #03012D ΔE 0.064
- Dark Navy Blue #00022E ΔE 0.065
- Very Dark Blue #000133 ΔE 0.065
Use #0C1330 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.