#537BB1#537BB1

#537BB1 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.095 H 256.2°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#537BB1
RGB	rgb(83, 123, 177)
HSL	hsl(214, 38%, 51%)
HSV	hsv(214, 53%, 69%)
CMYK	cmyk(53.1%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(50.89, 1.86, -32.87)
CIE-LCH	lch(50.89, 32.93, 273.24°)
OKLab	oklab(57.69% -0.0227 -0.0924)
OKLCH	oklch(57.69% 0.095 256.2)
XYZ	xyz(18.5833, 19.1778, 44.3089)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BB1 #B18953

analogous

#53AAB1 #537BB1 #5A53B1

triadic

#537BB1 #B1537B #7BB153

tetradic

#537BB1 #B153AA #B18953 #53B15A

square

#537BB1 #B153AA #B18953 #53B15A

split-complementary

#537BB1 #B15A53 #AAB153

monochromatic

#2B415F #3E5E89 #537BB1 #7D9BC4 #A7BCD7

Accessibility & contrast

On white

4.34

#537BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#537BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BB1

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BB1	#FFFFFF	#000000	##000000
##537BB1	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667EB3

Deuteranopia (green-blind)

#5A75B0

Tritanopia (blue-blind)

#20878E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #537bb1;
/* rgb */ color: rgb(83, 123, 177);
/* oklch */ color: oklch(57.7% 0.095 256.2);

Tailwind

colors: {
  custom: {
    50: '#89a0c8',
    500: '#537bb1',
    950: '#000000',
  },
}

SCSS

$custom: #537bb1;
$custom-light: #89a0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#537bb1",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 214.468,
    "s": 37.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57687,
    "c": 0.09515,
    "h": 256.2
  },
  "luminance": 0.19179
}

Semantic roles & 50–950 ramp

primary

#537BB1

secondary

#C5B39B

accent

#9C5ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #537BB1

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

Preview Lab → · Contrast checker → · Palette generator →