#064A87
Closest named color: Cobalt (#1E488F). oklch(40.7% 0.119 252.3), rgb(6, 74, 135).
Aa
White text reads best on this color (8.98:1).
About this color
#064A87 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.119 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.020 away. White text reads best on it, at 8.98:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #064A87 |
| RGB | rgb(6, 74, 135) |
| HSL | hsl(208, 91%, 28%) |
| OKLCH | oklch(40.7% 0.119 252.3) |
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 #064A87 | 8.98:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #064A87 | 2.33:1 | Fails | Lc 13.9 | Not readable |
| #064A87 text on white | 8.98:1 | AAA | Lc 90.1 | Preferred for body text |
| #064A87 text on black | 2.33:1 | Fails | Lc -12.2 | 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
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A1C4ED
oklch(80.9% 0.069 252.7)
-
Step 400
400
#6CA4E4
oklch(70.6% 0.111 252.6)
-
Step 500
500
#418CDC
oklch(63% 0.142 252.3)
-
Step 600
600
#1B74CA
oklch(55.5% 0.155 252.5)
-
Step 700
700
#0A61AF
oklch(49.1% 0.144 252.6)
-
Step 800
800 (this color)
#064A87
oklch(40.7% 0.119 252.3)
-
Step 900
900
#164371
oklch(37.8% 0.093 252.1)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#064A87 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) | #2A4F89 | 0.030 |
| Deuteranopia (no green cones) | #0E4486 | 0.017 |
| Tritanopia (no blue cones) | #005962 | 0.087 |
| Achromatopsia (no color) | #494949 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #064A87
#064A87
oklch(40.7% 0.119 252.3)
- #664000
#664000
oklch(40.6% 0.087 71.6)
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 #064A87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.020
- Light Navy #155084 ΔE 0.022
- Twilight Blue #0A437A ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.033
- Dusk Blue #26538D ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.059
- Blueberry #464196 ΔE 0.070
- Marine Blue #01386A ΔE 0.070
Use #064A87 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.