#5778B4#5778B4

#5778B4 is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.4% C 0.101 H 261.7°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5778B4
RGB	rgb(87, 120, 180)
HSL	hsl(219, 38%, 52%)
HSV	hsv(219, 52%, 71%)
CMYK	cmyk(51.7%, 33.3%, 0%, 29.4%)
CIE-LAB	lab(50.40, 5.55, -35.37)
CIE-LCH	lch(50.40, 35.80, 278.93°)
OKLab	oklab(57.4% -0.0145 -0.0996)
OKLCH	oklch(57.4% 0.101 261.7)
XYZ	xyz(18.8824, 18.7531, 45.7959)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5778B4 #B49357

analogous

#57A6B4 #5778B4 #6557B4

triadic

#5778B4 #B45778 #78B457

tetradic

#5778B4 #B457A6 #B49357 #57B465

square

#5778B4 #B457A6 #B49357 #57B465

split-complementary

#5778B4 #B46557 #A6B457

monochromatic

#2D4064 #405B8E #5778B4 #819AC7 #ACBCDA

Accessibility & contrast

On white

4.42

#5778B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5778B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5778B4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5778B4	#FFFFFF	#000000	##000000
##5778B4	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617DB7

Deuteranopia (green-blind)

#5674B3

Tritanopia (blue-blind)

#2A858E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5778b4;
/* rgb */ color: rgb(87, 120, 180);
/* oklch */ color: oklch(57.4% 0.101 261.7);

Tailwind

colors: {
  custom: {
    50: '#8c9eca',
    500: '#5778b4',
    950: '#000000',
  },
}

SCSS

$custom: #5778b4;
$custom-light: #8c9eca;
$custom-dark: #000000;

JSON

{
  "hex": "#5778b4",
  "rgb": {
    "r": 87,
    "g": 120,
    "b": 180
  },
  "hsl": {
    "h": 218.71,
    "s": 38.272,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57404,
    "c": 0.10064,
    "h": 261.7
  },
  "luminance": 0.18754
}

Semantic roles & 50–950 ramp

primary

#5778B4

secondary

#C8B99F

accent

#A55ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5778B4

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

Preview Lab → · Contrast checker → · Palette generator →