#066083
Closest named color: Light Navy Blue (#2E5A88). oklch(46% 0.093 232.7), rgb(6, 96, 131).
Aa
White text reads best on this color (6.97:1).
About this color
#066083 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.093 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.030 away. White text reads best on it, at 6.97:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.00:1 |
| White text | 6.97:1 |
Values
| HEX | #066083 |
| RGB | rgb(6, 96, 131) |
| HSL | hsl(197, 91%, 27%) |
| OKLCH | oklch(46% 0.093 232.7) |
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 #066083 | 6.97:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #066083 | 3.00:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #066083 text on white | 6.97:1 | AA | Lc 83.7 | Fine for body text |
| #066083 text on black | 3.00:1 | AA large text | Lc -18.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A5C6D9
oklch(80.9% 0.044 233.3)
-
Step 400
400
#72A9C6
oklch(70.7% 0.072 232.1)
-
Step 500
500
#4A93B8
oklch(63.1% 0.092 232.8)
-
Step 600
600
#277DA4
oklch(55.7% 0.099 232.5)
-
Step 700
700 (this color)
#066083
oklch(46% 0.093 232.7)
-
Step 800
800
#175672
oklch(42.8% 0.077 232.2)
-
Step 900
900
#1B475C
oklch(37.7% 0.06 232.2)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#066083 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) | #4E5F85 | 0.059 |
| Deuteranopia (no green cones) | #3F5582 | 0.048 |
| Tritanopia (no blue cones) | #00696C | 0.054 |
| Achromatopsia (no color) | #595959 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #066083
#066083
oklch(46% 0.093 232.7)
- #804821
#804821
oklch(46.1% 0.093 52.9)
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 #066083, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.030
- Peacock Blue #016795 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.038
- Denim #3B638C ΔE 0.041
- Petrol #005F6A ΔE 0.042
- YInMn Blue #415A77 ΔE 0.044
- Dusk Blue #26538D ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.048
Use #066083 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.