#3B77BB#3B77BB

#3B77BB is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.2% C 0.123 H 253.3°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3B77BB
RGB	rgb(59, 119, 187)
HSL	hsl(212, 52%, 48%)
HSV	hsv(212, 68%, 73%)
CMYK	cmyk(68.4%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.14, 2.94, -41.48)
CIE-LCH	lch(49.14, 41.58, 274.06°)
OKLab	oklab(56.18% -0.0354 -0.1178)
OKLCH	oklch(56.18% 0.123 253.3)
XYZ	xyz(17.3668, 17.7095, 49.5071)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77BB #BB7F3B

analogous

#3BB7BB #3B77BB #3F3BBB

triadic

#3B77BB #BB3B77 #77BB3B

tetradic

#3B77BB #BB3BB7 #BB7F3B #3BBB3F

square

#3B77BB #BB3BB7 #BB7F3B #3BBB3F

split-complementary

#3B77BB #BB3F3B #B7BB3B

monochromatic

#1E3C5E #2C598C #3B77BB #6596CE #93B6DD

Accessibility & contrast

On white

4.62

#3B77BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3B77BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B77BB

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77BB	#FFFFFF	#000000	##FFFFFF
##3B77BB	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597BBE

Deuteranopia (green-blind)

#466FBA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b77bb;
/* rgb */ color: rgb(59, 119, 187);
/* oklch */ color: oklch(56.2% 0.123 253.3);

Tailwind

colors: {
  custom: {
    50: '#7f9dd0',
    500: '#3b77bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b77bb;
$custom-light: #7f9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77bb",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 211.875,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56182,
    "c": 0.12305,
    "h": 253.3
  },
  "luminance": 0.17711
}

Semantic roles & 50–950 ramp

primary

#3B77BB

secondary

#C8AB8A

accent

#984CDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B77BB

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

Preview Lab → · Contrast checker → · Palette generator →