#5778CB#5778CB

#5778CB is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.133 H 266.1°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5778CB
RGB	rgb(87, 120, 203)
HSL	hsl(223, 53%, 57%)
HSV	hsv(223, 57%, 80%)
CMYK	cmyk(57.1%, 40.9%, 0%, 20.4%)
CIE-LAB	lab(51.58, 13.01, -46.70)
CIE-LCH	lch(51.58, 48.48, 285.57°)
OKLab	oklab(58.7% -0.0091 -0.1327)
OKLCH	oklch(58.7% 0.133 266.1)
XYZ	xyz(21.4228, 19.7693, 59.1753)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5778CB #CBAA57

analogous

#57B2CB #5778CB #7057CB

triadic

#5778CB #CB5778 #78CB57

tetradic

#5778CB #CB57B2 #CBAA57 #57CB70

square

#5778CB #CB57B2 #CBAA57 #57CB70

split-complementary

#5778CB #CB7057 #B2CB57

monochromatic

#284180 #3658AF #5778CB #869ED9 #B4C3E8

Accessibility & contrast

On white

4.24

#5778CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5778CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5778CB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5778CB	#FFFFFF	#000000	##000000
##5778CB	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5581CE

Deuteranopia (green-blind)

#4676C9

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5778cb;
/* rgb */ color: rgb(87, 120, 203);
/* oklch */ color: oklch(58.7% 0.133 266.1);

Tailwind

colors: {
  custom: {
    50: '#8f9edb',
    500: '#5778cb',
    950: '#000000',
  },
}

SCSS

$custom: #5778cb;
$custom-light: #8f9edb;
$custom-dark: #000000;

JSON

{
  "hex": "#5778cb",
  "rgb": {
    "r": 87,
    "g": 120,
    "b": 203
  },
  "hsl": {
    "h": 222.931,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.58701,
    "c": 0.13299,
    "h": 266.1
  },
  "luminance": 0.19771
}

Semantic roles & 50–950 ramp

primary

#5778CB

secondary

#D7C9A7

accent

#B34CDC

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5778CB

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

Preview Lab → · Contrast checker → · Palette generator →