#3A77D5#3A77D5

#3A77D5 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.158 H 258.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3A77D5
RGB	rgb(58, 119, 213)
HSL	hsl(216, 65%, 53%)
HSV	hsv(216, 73%, 84%)
CMYK	cmyk(72.8%, 44.1%, 0%, 16.5%)
CIE-LAB	lab(50.56, 12.19, -54.08)
CIE-LCH	lch(50.56, 55.44, 282.71°)
OKLab	oklab(57.75% -0.0304 -0.1548)
OKLCH	oklch(57.75% 0.158 258.9)
XYZ	xyz(20.3476, 18.8951, 65.5126)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77D5 #D5983A

analogous

#3AC5D5 #3A77D5 #4A3AD5

triadic

#3A77D5 #D53A77 #77D53A

tetradic

#3A77D5 #D53AC5 #D5983A #3AD54A

square

#3A77D5 #D53AC5 #D5983A #3AD54A

split-complementary

#3A77D5 #D54A3A #C5D53A

monochromatic

#1A407A #255AAD #3A77D5 #6C9AE0 #9FBDEB

Accessibility & contrast

On white

4.39

#3A77D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3A77D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77D5

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77D5	#FFFFFF	#000000	##000000
##3A77D5	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4880D9

Deuteranopia (green-blind)

#2972D3

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a77d5;
/* rgb */ color: rgb(58, 119, 213);
/* oklch */ color: oklch(57.8% 0.158 258.9);

Tailwind

colors: {
  custom: {
    50: '#839de2',
    500: '#3a77d5',
    950: '#000000',
  },
}

SCSS

$custom: #3a77d5;
$custom-light: #839de2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77d5",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 213
  },
  "hsl": {
    "h": 216.387,
    "s": 64.854,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5775,
    "c": 0.15778,
    "h": 258.9
  },
  "luminance": 0.18897
}

Semantic roles & 50–950 ramp

primary

#3A77D5

secondary

#D7BD94

accent

#A640E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77D5

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

Preview Lab → · Contrast checker → · Palette generator →