#5378B3#5378B3

#5378B3 is a mid, moderate blue. Relative luminance 0.185; OKLCH L 57.1% C 0.101 H 259.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#5378B3
RGB	rgb(83, 120, 179)
HSL	hsl(217, 39%, 51%)
HSV	hsv(217, 54%, 70%)
CMYK	cmyk(53.6%, 33%, 0%, 29.8%)
CIE-LAB	lab(50.13, 4.31, -35.23)
CIE-LCH	lch(50.13, 35.49, 276.97°)
OKLab	oklab(57.12% -0.0186 -0.0993)
OKLCH	oklch(57.12% 0.101 259.4)
XYZ	xyz(18.4177, 18.5252, 45.2443)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378B3 #B38E53

analogous

#53A8B3 #5378B3 #5E53B3

triadic

#5378B3 #B35378 #78B353

tetradic

#5378B3 #B353A8 #B38E53 #53B35E

square

#5378B3 #B353A8 #B38E53 #53B35E

split-complementary

#5378B3 #B35E53 #A8B353

monochromatic

#2B4061 #3E5B8B #5378B3 #7D99C6 #A8BBD9

Accessibility & contrast

On white

4.46

#5378B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#5378B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378B3

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378B3	#FFFFFF	#000000	##000000
##5378B3	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617CB5

Deuteranopia (green-blind)

#5573B2

Tritanopia (blue-blind)

#1F858D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5378b3;
/* rgb */ color: rgb(83, 120, 179);
/* oklch */ color: oklch(57.1% 0.101 259.4);

Tailwind

colors: {
  custom: {
    50: '#8a9eca',
    500: '#5378b3',
    950: '#000000',
  },
}

SCSS

$custom: #5378b3;
$custom-light: #8a9eca;
$custom-dark: #000000;

JSON

{
  "hex": "#5378b3",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 179
  },
  "hsl": {
    "h": 216.875,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57119,
    "c": 0.10098,
    "h": 259.4
  },
  "luminance": 0.18527
}

Semantic roles & 50–950 ramp

primary

#5378B3

secondary

#C6B69C

accent

#A159CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5378B3

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

Preview Lab → · Contrast checker → · Palette generator →