#3B77BA#3B77BA

#3B77BA is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.122 H 253.0°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B77BA
RGB	rgb(59, 119, 186)
HSL	hsl(212, 52%, 48%)
HSV	hsv(212, 68%, 73%)
CMYK	cmyk(68.3%, 36%, 0%, 27.1%)
CIE-LAB	lab(49.09, 2.58, -40.98)
CIE-LCH	lch(49.09, 41.07, 273.61°)
OKLab	oklab(56.12% -0.0356 -0.1164)
OKLCH	oklch(56.12% 0.122 253)
XYZ	xyz(17.2601, 17.6668, 48.9453)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77BA #BA7E3B

analogous

#3BB6BA #3B77BA #3F3BBA

triadic

#3B77BA #BA3B77 #77BA3B

tetradic

#3B77BA #BA3BB6 #BA7E3B #3BBA3F

square

#3B77BA #BA3BB6 #BA7E3B #3BBA3F

split-complementary

#3B77BA #BA3F3B #B6BA3B

monochromatic

#1E3C5D #2C598C #3B77BA #6496CE #93B6DD

Accessibility & contrast

On white

4.63

#3B77BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3B77BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B77BA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77BA	#FFFFFF	#000000	##FFFFFF
##3B77BA	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597BBD

Deuteranopia (green-blind)

#476FB9

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b77ba;
/* rgb */ color: rgb(59, 119, 186);
/* oklch */ color: oklch(56.1% 0.122 253.0);

Tailwind

colors: {
  custom: {
    50: '#7f9dcf',
    500: '#3b77ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b77ba;
$custom-light: #7f9dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77ba",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 186
  },
  "hsl": {
    "h": 211.654,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56124,
    "c": 0.12174,
    "h": 253
  },
  "luminance": 0.17669
}

Semantic roles & 50–950 ramp

primary

#3B77BA

secondary

#C8AA89

accent

#984DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B77BA

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

Preview Lab → · Contrast checker → · Palette generator →