#3A77D9#3A77D9

#3A77D9 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.0% C 0.163 H 259.5°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3A77D9
RGB	rgb(58, 119, 217)
HSL	hsl(217, 68%, 54%)
HSV	hsv(217, 73%, 85%)
CMYK	cmyk(73.3%, 45.2%, 0%, 14.9%)
CIE-LAB	lab(50.80, 13.65, -55.96)
CIE-LCH	lch(50.80, 57.60, 283.71°)
OKLab	oklab(58.01% -0.0296 -0.1604)
OKLCH	oklch(58.01% 0.163 259.5)
XYZ	xyz(20.8616, 19.1006, 68.2195)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77D9 #D99C3A

analogous

#3AC7D9 #3A77D9 #4D3AD9

triadic

#3A77D9 #D93A77 #77D93A

tetradic

#3A77D9 #D93AC7 #D99C3A #3AD94D

square

#3A77D9 #D93AC7 #D99C3A #3AD94D

split-complementary

#3A77D9 #D94D3A #C7D93A

monochromatic

#194080 #235AB3 #3A77D9 #6D9AE3 #A1BEED

Accessibility & contrast

On white

4.36

#3A77D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#3A77D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77D9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77D9	#FFFFFF	#000000	##000000
##3A77D9	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4481DD

Deuteranopia (green-blind)

#2272D7

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3a77d9;
/* rgb */ color: rgb(58, 119, 217);
/* oklch */ color: oklch(58.0% 0.163 259.5);

Tailwind

colors: {
  custom: {
    50: '#849de5',
    500: '#3a77d9',
    950: '#000000',
  },
}

SCSS

$custom: #3a77d9;
$custom-light: #849de5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77d9",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 217
  },
  "hsl": {
    "h": 216.981,
    "s": 67.66,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58013,
    "c": 0.16308,
    "h": 259.5
  },
  "luminance": 0.19103
}

Semantic roles & 50–950 ramp

primary

#3A77D9

secondary

#D9BF95

accent

#A83DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3A77D9

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

Preview Lab → · Contrast checker → · Palette generator →