#064B87
Closest named color: Light Navy (#155084). oklch(40.9% 0.117 251.7), rgb(6, 75, 135).
Aa
White text reads best on this color (8.88:1).
About this color
#064B87 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.117 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.019 away. White text reads best on it, at 8.88:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #064B87 |
| RGB | rgb(6, 75, 135) |
| HSL | hsl(208, 91%, 28%) |
| OKLCH | oklch(40.9% 0.117 251.7) |
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 #064B87 | 8.88:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #064B87 | 2.36:1 | Fails | Lc 14.2 | Not readable |
| #064B87 text on white | 8.88:1 | AAA | Lc 89.8 | Fine for body text |
| #064B87 text on black | 2.36:1 | Fails | Lc -12.5 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C7DBF2
oklch(88.4% 0.038 251.9)
-
Step 300
300
#A1C4EC
oklch(80.9% 0.068 252)
-
Step 400
400
#6CA5E3
oklch(70.8% 0.109 251.5)
-
Step 500
500
#418DDB
oklch(63.2% 0.14 251.5)
-
Step 600
600
#1A75C9
oklch(55.7% 0.153 251.8)
-
Step 700
700
#0862AE
oklch(49.2% 0.142 251.7)
-
Step 800
800 (this color)
#064B87
oklch(40.9% 0.117 251.7)
-
Step 900
900
#164370
oklch(37.7% 0.091 251.6)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#064B87 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) | #2C5089 | 0.032 |
| Deuteranopia (no green cones) | #124586 | 0.017 |
| Tritanopia (no blue cones) | #005A62 | 0.087 |
| Achromatopsia (no color) | #4A4A4A | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064B87
#064B87
oklch(40.9% 0.117 251.7)
- #674100
#674100
oklch(41% 0.088 72)
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 #064B87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.019
- Cobalt #1E488F ΔE 0.021
- Deep Sea Blue #015482 ΔE 0.030
- Twilight Blue #0A437A ΔE 0.030
- Dusk Blue #26538D ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.069
- Blueberry #464196 ΔE 0.070
Use #064B87 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.