#3B77BF#3B77BF

#3B77BF is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.128 H 254.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3B77BF
RGB	rgb(59, 119, 191)
HSL	hsl(213, 53%, 49%)
HSV	hsv(213, 69%, 75%)
CMYK	cmyk(69.1%, 37.7%, 0%, 25.1%)
CIE-LAB	lab(49.35, 4.37, -43.44)
CIE-LCH	lch(49.35, 43.66, 275.75°)
OKLab	oklab(56.42% -0.0344 -0.1236)
OKLCH	oklch(56.42% 0.128 254.5)
XYZ	xyz(17.8010, 17.8832, 51.7938)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B77BF #BF833B

analogous

#3BB9BF #3B77BF #413BBF

triadic

#3B77BF #BF3B77 #77BF3B

tetradic

#3B77BF #BF3BB9 #BF833B #3BBF41

square

#3B77BF #BF3BB9 #BF833B #3BBF41

split-complementary

#3B77BF #BF413B #B9BF3B

monochromatic

#1E3D61 #2D5A90 #3B77BF #6797D0 #96B7DF

Accessibility & contrast

On white

4.59

#3B77BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3B77BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B77BF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B77BF	#FFFFFF	#000000	##FFFFFF
##3B77BF	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567CC2

Deuteranopia (green-blind)

#4370BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b77bf;
/* rgb */ color: rgb(59, 119, 191);
/* oklch */ color: oklch(56.4% 0.128 254.5);

Tailwind

colors: {
  custom: {
    50: '#809dd3',
    500: '#3b77bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b77bf;
$custom-light: #809dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b77bf",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 191
  },
  "hsl": {
    "h": 212.727,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56417,
    "c": 0.1283,
    "h": 254.5
  },
  "luminance": 0.17885
}

Semantic roles & 50–950 ramp

primary

#3B77BF

secondary

#CAAE8C

accent

#9A4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3B77BF

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

Preview Lab → · Contrast checker → · Palette generator →