#064B83
Closest named color: Light Navy (#155084). oklch(40.7% 0.112 250.3), rgb(6, 75, 131).
Aa
White text reads best on this color (8.96:1).
About this color
#064B83 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.112 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.018 away. White text reads best on it, at 8.96:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #064B83 |
| RGB | rgb(6, 75, 131) |
| HSL | hsl(207, 91%, 27%) |
| OKLCH | oklch(40.7% 0.112 250.3) |
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 #064B83 | 8.96:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #064B83 | 2.34:1 | Fails | Lc 13.9 | Not readable |
| #064B83 text on white | 8.96:1 | AAA | Lc 90.0 | Preferred for body text |
| #064B83 text on black | 2.34:1 | Fails | Lc -12.2 | 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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF1
oklch(88.6% 0.036 249.5)
-
Step 300
300
#A1C4EA
oklch(80.8% 0.066 250.7)
-
Step 400
400
#6DA5E0
oklch(70.7% 0.105 250.7)
-
Step 500
500
#428DD7
oklch(63% 0.134 250.5)
-
Step 600
600
#1C76C4
oklch(55.6% 0.145 250.2)
-
Step 700
700
#0B63AA
oklch(49.2% 0.135 250.3)
-
Step 800
800 (this color)
#064B83
oklch(40.7% 0.112 250.3)
-
Step 900
900
#17436E
oklch(37.6% 0.088 251)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#064B83 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) | #2E4F85 | 0.033 |
| Deuteranopia (no green cones) | #194482 | 0.021 |
| Tritanopia (no blue cones) | #005960 | 0.083 |
| Achromatopsia (no color) | #494949 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064B83
#064B83
oklch(40.7% 0.112 250.3)
- #674000
#674000
oklch(40.8% 0.088 70.8)
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 #064B83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.018
- Twilight Blue #0A437A ΔE 0.026
- Cobalt #1E488F ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.028
- Dusk Blue #26538D ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.056
- Marine Blue #01386A ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.068
Use #064B83 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.