#3A77D3#3A77D3

#3A77D3 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.155 H 258.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A77D3
RGB	rgb(58, 119, 211)
HSL	hsl(216, 63%, 53%)
HSV	hsv(216, 73%, 83%)
CMYK	cmyk(72.5%, 43.6%, 0%, 17.3%)
CIE-LAB	lab(50.45, 11.46, -53.13)
CIE-LCH	lch(50.45, 54.36, 282.18°)
OKLab	oklab(57.62% -0.0307 -0.1521)
OKLCH	oklch(57.62% 0.155 258.6)
XYZ	xyz(20.0953, 18.7941, 64.1839)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A77D3 #D3963A

analogous

#3AC4D3 #3A77D3 #493AD3

triadic

#3A77D3 #D33A77 #77D33A

tetradic

#3A77D3 #D33AC4 #D3963A #3AD349

square

#3A77D3 #D33AC4 #D3963A #3AD349

split-complementary

#3A77D3 #D3493A #C4D33A

monochromatic

#1B4078 #265BAA #3A77D3 #6C9ADE #9EBCE9

Accessibility & contrast

On white

4.41

#3A77D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3A77D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A77D3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A77D3	#FFFFFF	#000000	##000000
##3A77D3	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4980D7

Deuteranopia (green-blind)

#2D72D1

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3a77d3;
/* rgb */ color: rgb(58, 119, 211);
/* oklch */ color: oklch(57.6% 0.155 258.6);

Tailwind

colors: {
  custom: {
    50: '#839de1',
    500: '#3a77d3',
    950: '#000000',
  },
}

SCSS

$custom: #3a77d3;
$custom-light: #839de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a77d3",
  "rgb": {
    "r": 58,
    "g": 119,
    "b": 211
  },
  "hsl": {
    "h": 216.078,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5762,
    "c": 0.15514,
    "h": 258.6
  },
  "luminance": 0.18796
}

Semantic roles & 50–950 ramp

primary

#3A77D3

secondary

#D6BB93

accent

#A541E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A77D3

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

Preview Lab → · Contrast checker → · Palette generator →