#0064AD
Closest named color: Mid Blue (#276AB3). oklch(49.5% 0.14 249.8), rgb(0, 100, 173).
Aa
White text reads best on this color (6.12:1).
About this color
#0064AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.140 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.027 away. White text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #0064AD |
| RGB | rgb(0, 100, 173) |
| HSL | hsl(205, 100%, 34%) |
| OKLCH | oklch(49.5% 0.14 249.8) |
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 #0064AD | 6.12:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #0064AD | 3.42:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #0064AD text on white | 6.12:1 | AA | Lc 79.9 | Fine for body text |
| #0064AD text on black | 3.42:1 | AA large text | Lc -21.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300
#A0C5EB
oklch(81% 0.067 249.3)
-
Step 400
400
#6AA5E1
oklch(70.6% 0.108 250)
-
Step 500
500
#3E8ED9
oklch(63.2% 0.137 249.7)
-
Step 600
600
#1276C7
oklch(55.6% 0.151 250)
-
Step 700
700 (this color)
#0064AD
oklch(49.5% 0.14 249.8)
-
Step 800
800
#08518B
oklch(42.7% 0.116 249.8)
-
Step 900
900
#14446F
oklch(37.8% 0.089 249.5)
-
Step 950
950
#0D2841
oklch(27% 0.057 249.3)
#0064AD 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) | #3E69B0 | 0.041 |
| Deuteranopia (no green cones) | #205BAC | 0.025 |
| Tritanopia (no blue cones) | #007680 | 0.101 |
| Achromatopsia (no color) | #626262 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0064AD
#0064AD
oklch(49.5% 0.14 249.8)
- #885500
#885500
oklch(49.5% 0.107 69.9)
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 #0064AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.027
- Peacock Blue #016795 ΔE 0.042
- French Blue #436BAD ΔE 0.049
- Ocean Blue #03719C ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.057
- Denim #3B638C ΔE 0.060
- Muted Blue #3B719F ΔE 0.060
Use #0064AD 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.