#537DBA#537DBA

#537DBA is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.6% C 0.105 H 257.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#537DBA
RGB	rgb(83, 125, 186)
HSL	hsl(216, 43%, 53%)
HSV	hsv(216, 55%, 73%)
CMYK	cmyk(55.4%, 32.8%, 0%, 27.1%)
CIE-LAB	lab(51.89, 3.56, -36.49)
CIE-LCH	lch(51.89, 36.66, 275.57°)
OKLab	oklab(58.61% -0.0225 -0.1029)
OKLCH	oklch(58.61% 0.105 257.7)
XYZ	xyz(19.7607, 20.0498, 49.2735)
Luminance	0.2005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DBA #BA9053

analogous

#53B1BA #537DBA #5C53BA

triadic

#537DBA #BA537D #7DBA53

tetradic

#537DBA #BA53B1 #BA9053 #53BA5C

square

#537DBA #BA53B1 #BA9053 #53BA5C

split-complementary

#537DBA #BA5C53 #B1BA53

monochromatic

#2A4469 #3B6094 #537DBA #7F9ECC #AABFDD

Accessibility & contrast

On white

4.19

#537DBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#537DBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DBA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DBA	#FFFFFF	#000000	##000000
##537DBA	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BD

Deuteranopia (green-blind)

#5777B9

Tritanopia (blue-blind)

#108B93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537dba;
/* rgb */ color: rgb(83, 125, 186);
/* oklch */ color: oklch(58.6% 0.105 257.7);

Tailwind

colors: {
  custom: {
    50: '#8aa2cf',
    500: '#537dba',
    950: '#000000',
  },
}

SCSS

$custom: #537dba;
$custom-light: #8aa2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#537dba",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 186
  },
  "hsl": {
    "h": 215.534,
    "s": 42.739,
    "l": 52.745
  },
  "oklch": {
    "l": 0.58607,
    "c": 0.10532,
    "h": 257.7
  },
  "luminance": 0.20051
}

Semantic roles & 50–950 ramp

primary

#537DBA

secondary

#CBB99E

accent

#9F55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F14

muted

#7D7E82

Preview Lab

Preview with #537DBA

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

Preview Lab → · Contrast checker → · Palette generator →