#5377B3#5377B3

#5377B3 is a mid, moderate blue. Relative luminance 0.183; OKLCH L 56.9% C 0.102 H 260.2°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#5377B3
RGB	rgb(83, 119, 179)
HSL	hsl(218, 39%, 51%)
HSV	hsv(218, 54%, 70%)
CMYK	cmyk(53.6%, 33.5%, 0%, 29.8%)
CIE-LAB	lab(49.84, 4.91, -35.68)
CIE-LCH	lch(49.84, 36.02, 277.84°)
OKLab	oklab(56.9% -0.0174 -0.1006)
OKLCH	oklch(56.9% 0.102 260.2)
XYZ	xyz(18.2980, 18.2859, 45.2044)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5377B3 #B38F53

analogous

#53A7B3 #5377B3 #5F53B3

triadic

#5377B3 #B35377 #77B353

tetradic

#5377B3 #B353A7 #B38F53 #53B35F

square

#5377B3 #B353A7 #B38F53 #53B35F

split-complementary

#5377B3 #B35F53 #A7B353

monochromatic

#2B3F61 #3E5B8B #5377B3 #7D99C6 #A8BAD9

Accessibility & contrast

On white

4.51

#5377B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#5377B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5377B3

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5377B3	#FFFFFF	#000000	##000000
##5377B3	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7BB6

Deuteranopia (green-blind)

#5472B2

Tritanopia (blue-blind)

#1F848D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5377b3;
/* rgb */ color: rgb(83, 119, 179);
/* oklch */ color: oklch(56.9% 0.102 260.2);

Tailwind

colors: {
  custom: {
    50: '#8a9eca',
    500: '#5377b3',
    950: '#000000',
  },
}

SCSS

$custom: #5377b3;
$custom-light: #8a9eca;
$custom-dark: #000000;

JSON

{
  "hex": "#5377b3",
  "rgb": {
    "r": 83,
    "g": 119,
    "b": 179
  },
  "hsl": {
    "h": 217.5,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56896,
    "c": 0.10206,
    "h": 260.2
  },
  "luminance": 0.18287
}

Semantic roles & 50–950 ramp

primary

#5377B3

secondary

#C6B69C

accent

#A359CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5377B3

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

Preview Lab → · Contrast checker → · Palette generator →