#064685
Closest named color: Twilight Blue (#0A437A). oklch(39.6% 0.121 253.9), rgb(6, 70, 133).
Aa
White text reads best on this color (9.44:1).
About this color
#064685 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.121 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.019 away. White text reads best on it, at 9.44:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #064685 |
| RGB | rgb(6, 70, 133) |
| HSL | hsl(210, 91%, 27%) |
| OKLCH | oklch(39.6% 0.121 253.9) |
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 #064685 | 9.44:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #064685 | 2.22:1 | Fails | Lc 12.7 | Not readable |
| #064685 text on white | 9.44:1 | AAA | Lc 91.3 | Preferred for body text |
| #064685 text on black | 2.22:1 | Fails | Lc -11.1 | 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 900.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C3DCFA
oklch(88.6% 0.049 253.1)
-
Step 300
300
#98C4FA
oklch(80.9% 0.09 253.9)
-
Step 400
400
#5BA3F8
oklch(70.6% 0.145 253.9)
-
Step 500
500
#2089F5
oklch(63.1% 0.185 253.9)
-
Step 600
600
#0072D7
oklch(55.6% 0.177 254)
-
Step 700
700
#0060B6
oklch(49.2% 0.156 253.8)
-
Step 800
800
#004E96
oklch(42.7% 0.135 253.8)
-
Step 900
900 (this color)
#064685
oklch(39.6% 0.121 253.9)
-
Step 950
950
#05264A
oklch(26.8% 0.077 253.9)
#064685 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) | #234C87 | 0.028 |
| Deuteranopia (no green cones) | #004184 | 0.015 |
| Tritanopia (no blue cones) | #00555F | 0.089 |
| Achromatopsia (no color) | #464646 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064685
#064685
oklch(39.6% 0.121 253.9)
- #613E00
#613E00
oklch(39.5% 0.084 73.4)
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 #064685, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.019
- Cobalt #1E488F ΔE 0.024
- Light Navy #155084 ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.043
- Dusk Blue #26538D ΔE 0.048
- Marine Blue #01386A ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.071
Use #064685 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.