#064E7B
Closest named color: Light Navy (#155084). oklch(40.9% 0.098 244.4), rgb(6, 78, 123).
Aa
White text reads best on this color (8.81:1).
About this color
#064E7B is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.098 and its hue 244°. 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 8.81:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #064E7B |
| RGB | rgb(6, 78, 123) |
| HSL | hsl(203, 91%, 25%) |
| OKLCH | oklch(40.9% 0.098 244.4) |
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 #064E7B | 8.81:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #064E7B | 2.38:1 | Fails | Lc 14.3 | Not readable |
| #064E7B text on white | 8.81:1 | AAA | Lc 89.7 | Fine for body text |
| #064E7B text on black | 2.38:1 | Fails | Lc -12.6 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A2C5E4
oklch(80.8% 0.058 245.3)
-
Step 400
400
#6DA7D6
oklch(70.7% 0.092 244.1)
-
Step 500
500
#4290CB
oklch(63.1% 0.117 244.2)
-
Step 600
600
#1B79B8
oklch(55.6% 0.128 244.4)
-
Step 700
700
#09669F
oklch(49.2% 0.119 244.4)
-
Step 800
800 (this color)
#064E7B
oklch(40.9% 0.098 244.4)
-
Step 900
900
#174567
oklch(37.7% 0.076 244.4)
-
Step 950
950
#0F293C
oklch(27.1% 0.048 243)
#064E7B 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) | #38507D | 0.041 |
| Deuteranopia (no green cones) | #28467A | 0.029 |
| Tritanopia (no blue cones) | #00595E | 0.068 |
| Achromatopsia (no color) | #4A4A4A | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064E7B
#064E7B
oklch(40.9% 0.098 244.4)
- #6C3D00
#6C3D00
oklch(40.9% 0.093 63.7)
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 #064E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.018
- Deep Sea Blue #015482 ΔE 0.020
- Twilight Blue #0A437A ΔE 0.033
- Dusk Blue #26538D ΔE 0.040
- Cobalt #1E488F ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.056
- Deep Teal #00555A ΔE 0.067
Use #064E7B 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.