#5378B5#5378B5

#5378B5 is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.2% C 0.104 H 260.0°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5378B5
RGB	rgb(83, 120, 181)
HSL	hsl(217, 40%, 52%)
HSV	hsv(217, 54%, 71%)
CMYK	cmyk(54.1%, 33.7%, 0%, 29%)
CIE-LAB	lab(50.22, 4.95, -36.24)
CIE-LCH	lch(50.22, 36.57, 277.78°)
OKLab	oklab(57.23% -0.018 -0.1022)
OKLCH	oklch(57.23% 0.104 260)
XYZ	xyz(18.6214, 18.6067, 46.3173)
Luminance	0.1861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378B5 #B59053

analogous

#53A9B5 #5378B5 #5F53B5

triadic

#5378B5 #B55378 #78B553

tetradic

#5378B5 #B553A9 #B59053 #53B55F

square

#5378B5 #B553A9 #B59053 #53B55F

split-complementary

#5378B5 #B55F53 #A9B553

monochromatic

#2B4063 #3D5C8E #5378B5 #7E9AC7 #A9BBDA

Accessibility & contrast

On white

4.45

#5378B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5378B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378B5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378B5	#FFFFFF	#000000	##000000
##5378B5	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607DB8

Deuteranopia (green-blind)

#5473B4

Tritanopia (blue-blind)

#1C858E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5378b5;
/* rgb */ color: rgb(83, 120, 181);
/* oklch */ color: oklch(57.2% 0.104 260.0);

Tailwind

colors: {
  custom: {
    50: '#8a9ecb',
    500: '#5378b5',
    950: '#000000',
  },
}

SCSS

$custom: #5378b5;
$custom-light: #8a9ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#5378b5",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 181
  },
  "hsl": {
    "h": 217.347,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57226,
    "c": 0.10376,
    "h": 260
  },
  "luminance": 0.18608
}

Semantic roles & 50–950 ramp

primary

#5378B5

secondary

#C7B79C

accent

#A358D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5378B5

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

Preview Lab → · Contrast checker → · Palette generator →