#5777BC#5777BC

#5777BC is a mid, moderate blue. Relative luminance 0.189; OKLCH L 57.6% C 0.113 H 264.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5777BC
RGB	rgb(87, 119, 188)
HSL	hsl(221, 43%, 54%)
HSV	hsv(221, 54%, 74%)
CMYK	cmyk(53.7%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(50.51, 8.72, -39.80)
CIE-LCH	lch(50.51, 40.75, 282.36°)
OKLab	oklab(57.62% -0.0112 -0.1125)
OKLCH	oklch(57.62% 0.113 264.3)
XYZ	xyz(19.6014, 18.8493, 50.1726)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5777BC #BC9C57

analogous

#57AABC #5777BC #6A57BC

triadic

#5777BC #BC5777 #77BC57

tetradic

#5777BC #BC57AA #BC9C57 #57BC6A

square

#5777BC #BC57AA #BC9C57 #57BC6A

split-complementary

#5777BC #BC6A57 #AABC57

monochromatic

#2C406D #3D5A99 #5777BC #839ACD #AFBEDF

Accessibility & contrast

On white

4.40

#5777BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5777BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5777BC

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5777BC	#FFFFFF	#000000	##000000
##5777BC	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)

#5B7DBF

Deuteranopia (green-blind)

#4F74BB

Tritanopia (blue-blind)

#218690

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5777bc;
/* rgb */ color: rgb(87, 119, 188);
/* oklch */ color: oklch(57.6% 0.113 264.3);

Tailwind

colors: {
  custom: {
    50: '#8d9dd0',
    500: '#5777bc',
    950: '#000000',
  },
}

SCSS

$custom: #5777bc;
$custom-light: #8d9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5777bc",
  "rgb": {
    "r": 87,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 220.99,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57622,
    "c": 0.11307,
    "h": 264.3
  },
  "luminance": 0.18851
}

Semantic roles & 50–950 ramp

primary

#5777BC

secondary

#CDBFA2

accent

#AB55D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5777BC

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

Preview Lab → · Contrast checker → · Palette generator →