#06183D
Closest named color: Navy Blue (#001146). oklch(22.1% 0.075 262.1), rgb(6, 24, 61).
Aa
White text reads best on this color (17.41:1).
About this color
#06183D is a very dark, moderately saturated blue. In OKLCH its lightness is 22%, its chroma 0.075 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.029 away. White text reads best on it, at 17.41:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.20:1 |
| White text | 17.41:1 |
Values
| HEX | #06183D |
| RGB | rgb(6, 24, 61) |
| HSL | hsl(220, 82%, 13%) |
| OKLCH | oklch(22.1% 0.075 262.1) |
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 #06183D | 17.41:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #06183D | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #06183D text on white | 17.41:1 | AAA | Lc 104.0 | Preferred for body text |
| #06183D text on black | 1.20:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400
#6F9FF9
oklch(70.8% 0.142 262.1)
-
Step 500
500
#4983F6
oklch(63% 0.183 262.3)
-
Step 600
600
#2C6AE5
oklch(55.7% 0.198 262.1)
-
Step 700
700
#1F57C7
oklch(49.1% 0.184 262.1)
-
Step 800
800
#1B48A1
oklch(42.7% 0.153 262)
-
Step 900
900
#1C3D80
oklch(37.7% 0.12 262.5)
-
Step 950
950 (this color)
#06183D
oklch(22.1% 0.075 262.1)
#06183D 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) | #011D3E | 0.016 |
| Deuteranopia (no green cones) | #00183C | 0.008 |
| Tritanopia (no blue cones) | #002127 | 0.059 |
| Achromatopsia (no color) | #1A1A1A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06183D
#06183D
oklch(22.1% 0.075 262.1)
- #251800
#251800
oklch(22% 0.045 81.8)
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 #06183D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.029
- Rich Black #0D1B2A ΔE 0.041
- Night Blue #040348 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.059
- Dark #1B2431 ΔE 0.061
- Dark Indigo #1F0954 ΔE 0.064
- Dark Navy #000435 ΔE 0.064
- Rich Navy #001219 ΔE 0.075
Use #06183D 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.