#3A77D4#3A77D4

#3A77D4 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.7% C 0.156 H 258.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A77D4
RGB	rgb(58, 119, 212)
HSL	hsl(216, 64%, 53%)
HSV	hsv(216, 73%, 83%)
CMYK	cmyk(72.6%, 43.9%, 0%, 16.9%)
CIE-LAB	lab(50.50, 11.83, -53.61)
CIE-LCH	lch(50.50, 54.90, 282.44°)
OKLab	oklab(57.68% -0.0305 -0.1534)
OKLCH	oklch(57.68% 0.156 258.7)
XYZ	xyz(20.2211, 18.8444, 64.8462)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77D4 #D4973A

analogous

#3AC4D4 #3A77D4 #4A3AD4

triadic

#3A77D4 #D43A77 #77D43A

tetradic

#3A77D4 #D43AC4 #D4973A #3AD44A

square

#3A77D4 #D43AC4 #D4973A #3AD44A

split-complementary

#3A77D4 #D44A3A #C4D43A

monochromatic

#1A4079 #255AAB #3A77D4 #6C9ADF #9EBCEA

Accessibility & contrast

On white

4.40

#3A77D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3A77D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77D4

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77D4	#FFFFFF	#000000	##000000
##3A77D4	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4980D8

Deuteranopia (green-blind)

#2B72D2

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a77d4;
/* rgb */ color: rgb(58, 119, 212);
/* oklch */ color: oklch(57.7% 0.156 258.7);

Tailwind

colors: {
  custom: {
    50: '#839de2',
    500: '#3a77d4',
    950: '#000000',
  },
}

SCSS

$custom: #3a77d4;
$custom-light: #839de2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77d4",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 212
  },
  "hsl": {
    "h": 216.234,
    "s": 64.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57685,
    "c": 0.15646,
    "h": 258.7
  },
  "luminance": 0.18847
}

Semantic roles & 50–950 ramp

primary

#3A77D4

secondary

#D6BC94

accent

#A541E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77D4

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

Preview Lab → · Contrast checker → · Palette generator →