#4064B3#4064B3

#4064B3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.7% C 0.132 H 263.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#4064B3
RGB	rgb(64, 100, 179)
HSL	hsl(221, 47%, 48%)
HSV	hsv(221, 64%, 70%)
CMYK	cmyk(64.2%, 44.1%, 0%, 29.8%)
CIE-LAB	lab(43.44, 12.80, -45.88)
CIE-LCH	lch(43.44, 47.63, 285.59°)
OKLab	oklab(51.68% -0.0139 -0.1309)
OKLCH	oklch(51.68% 0.132 263.9)
XYZ	xyz(14.8054, 13.4576, 44.4564)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064B3 #B38F40

analogous

#409EB3 #4064B3 #5540B3

triadic

#4064B3 #B34064 #64B340

tetradic

#4064B3 #B3409E #B38F40 #40B355

square

#4064B3 #B3409E #B38F40 #40B355

split-complementary

#4064B3 #B35540 #9EB340

monochromatic

#203259 #304B86 #4064B3 #6786C9 #94AAD9

Accessibility & contrast

On white

5.69

#4064B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#4064B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064B3

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064B3	#FFFFFF	#000000	##FFFFFF
##4064B3	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB6

Deuteranopia (green-blind)

#2D62B1

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4064b3;
/* rgb */ color: rgb(64, 100, 179);
/* oklch */ color: oklch(51.7% 0.132 263.9);

Tailwind

colors: {
  custom: {
    50: '#808fca',
    500: '#4064b3',
    950: '#000000',
  },
}

SCSS

$custom: #4064b3;
$custom-light: #808fca;
$custom-dark: #000000;

JSON

{
  "hex": "#4064b3",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 179
  },
  "hsl": {
    "h": 221.217,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.51676,
    "c": 0.13168,
    "h": 263.9
  },
  "luminance": 0.13459
}

Semantic roles & 50–950 ramp

primary

#4064B3

secondary

#C4B28A

accent

#AD51D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4064B3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →