#064D93
Closest named color: Cobalt (#1E488F). oklch(42.3% 0.131 254.2), rgb(6, 77, 147).
Aa
White text reads best on this color (8.43:1).
About this color
#064D93 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.131 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.017 away. White text reads best on it, at 8.43:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.49:1 |
| White text | 8.43:1 |
Values
| HEX | #064D93 |
| RGB | rgb(6, 77, 147) |
| HSL | hsl(210, 92%, 30%) |
| OKLCH | oklch(42.3% 0.131 254.2) |
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 #064D93 | 8.43:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #064D93 | 2.49:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #064D93 text on white | 8.43:1 | AAA | Lc 88.4 | Fine for body text |
| #064D93 text on black | 2.49:1 | Fails | Lc -13.7 | 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
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9FC4F2
oklch(81% 0.077 254.1)
-
Step 400
400
#69A3EB
oklch(70.6% 0.123 254.5)
-
Step 500
500
#3C8BE5
oklch(63.2% 0.156 253.9)
-
Step 600
600
#1172D3
oklch(55.5% 0.17 254.2)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800 (this color)
#064D93
oklch(42.3% 0.131 254.2)
-
Step 900
900
#134276
oklch(37.8% 0.102 254)
-
Step 950
950
#0D2745
oklch(27% 0.064 254)
#064D93 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) | #255396 | 0.027 |
| Deuteranopia (no green cones) | #004892 | 0.015 |
| Tritanopia (no blue cones) | #005E69 | 0.097 |
| Achromatopsia (no color) | #4D4D4D | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064D93
#064D93
oklch(42.3% 0.131 254.2)
- #6A4500
#6A4500
oklch(42.2% 0.089 74.3)
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 #064D93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.017
- Light Navy #155084 ΔE 0.028
- Dusk Blue #26538D ΔE 0.030
- Deep Sea Blue #015482 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.062
- Blueberry #464196 ΔE 0.064
Use #064D93 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.