#5378B2#5378B2

#5378B2 is a mid, moderate blue. Relative luminance 0.185; OKLCH L 57.1% C 0.100 H 259.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5378B2
RGB	rgb(83, 120, 178)
HSL	hsl(217, 38%, 51%)
HSV	hsv(217, 53%, 70%)
CMYK	cmyk(53.4%, 32.6%, 0%, 30.2%)
CIE-LAB	lab(50.08, 3.98, -34.73)
CIE-LCH	lch(50.08, 34.96, 276.54°)
OKLab	oklab(57.07% -0.0188 -0.0978)
OKLCH	oklch(57.07% 0.1 259.1)
XYZ	xyz(18.3169, 18.4849, 44.7136)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378B2 #B28D53

analogous

#53A7B2 #5378B2 #5D53B2

triadic

#5378B2 #B25378 #78B253

tetradic

#5378B2 #B253A7 #B28D53 #53B25D

square

#5378B2 #B253A7 #B28D53 #53B25D

split-complementary

#5378B2 #B25D53 #A7B253

monochromatic

#2B3F60 #3E5B8A #5378B2 #7D99C5 #A8BAD8

Accessibility & contrast

On white

4.47

#5378B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#5378B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378B2

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378B2	#FFFFFF	#000000	##000000
##5378B2	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617CB4

Deuteranopia (green-blind)

#5573B1

Tritanopia (blue-blind)

#20858D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5378b2;
/* rgb */ color: rgb(83, 120, 178);
/* oklch */ color: oklch(57.1% 0.100 259.1);

Tailwind

colors: {
  custom: {
    50: '#899ec9',
    500: '#5378b2',
    950: '#000000',
  },
}

SCSS

$custom: #5378b2;
$custom-light: #899ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#5378b2",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 178
  },
  "hsl": {
    "h": 216.632,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57066,
    "c": 0.0996,
    "h": 259.1
  },
  "luminance": 0.18486
}

Semantic roles & 50–950 ramp

primary

#5378B2

secondary

#C5B59B

accent

#A15ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5378B2

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

Preview Lab → · Contrast checker → · Palette generator →