#064E76
Closest named color: Deep Sea Blue (#015482). oklch(40.6% 0.092 241.3), rgb(6, 78, 118).
Aa
White text reads best on this color (8.90:1).
About this color
#064E76 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.025 away. White text reads best on it, at 8.90:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #064E76 |
| RGB | rgb(6, 78, 118) |
| HSL | hsl(201, 90%, 24%) |
| OKLCH | oklch(40.6% 0.092 241.3) |
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 #064E76 | 8.90:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #064E76 | 2.35:1 | Fails | Lc 14.1 | Not readable |
| #064E76 text on white | 8.90:1 | AAA | Lc 89.9 | Fine for body text |
| #064E76 text on black | 2.35:1 | Fails | Lc -12.3 | 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
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A2C6E1
oklch(80.9% 0.054 240.8)
-
Step 400
400
#6EA8D2
oklch(70.8% 0.086 241)
-
Step 500
500
#4491C6
oklch(63.1% 0.11 241.6)
-
Step 600
600
#1D7AB2
oklch(55.5% 0.119 241.4)
-
Step 700
700
#0B6799
oklch(49.1% 0.111 240.9)
-
Step 800
800 (this color)
#064E76
oklch(40.6% 0.092 241.3)
-
Step 900
900
#184664
oklch(37.8% 0.071 241.1)
-
Step 950
950
#0F293B
oklch(27% 0.046 241.6)
#064E76 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) | #3B4F78 | 0.045 |
| Deuteranopia (no green cones) | #2C4575 | 0.035 |
| Tritanopia (no blue cones) | #00585C | 0.062 |
| Achromatopsia (no color) | #4A4A4A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064E76
#064E76
oklch(40.6% 0.092 241.3)
- #6C3B03
#6C3B03
oklch(40.5% 0.092 60.8)
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 #064E76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.025
- Light Navy #155084 ΔE 0.025
- Twilight Blue #0A437A ΔE 0.036
- Dusk Blue #26538D ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.049
- Cobalt #1E488F ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.055
- Deep Teal #00555A ΔE 0.059
Use #064E76 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.