#537FB5#537FB5

#537FB5 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.8% C 0.097 H 254.2°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#537FB5
RGB	rgb(83, 127, 181)
HSL	hsl(213, 40%, 52%)
HSV	hsv(213, 54%, 71%)
CMYK	cmyk(54.1%, 29.8%, 0%, 29%)
CIE-LAB	lab(52.23, 0.76, -33.09)
CIE-LCH	lch(52.23, 33.09, 271.31°)
OKLab	oklab(58.8% -0.0263 -0.093)
OKLCH	oklch(58.8% 0.097 254.2)
XYZ	xyz(19.4942, 20.3524, 46.6082)
Luminance	0.2035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FB5 #B58953

analogous

#53B0B5 #537FB5 #5853B5

triadic

#537FB5 #B5537F #7FB553

tetradic

#537FB5 #B553B0 #B58953 #53B558

square

#537FB5 #B553B0 #B58953 #53B558

split-complementary

#537FB5 #B55853 #B0B553

monochromatic

#2B4463 #3D618E #537FB5 #7E9FC7 #A9BFDA

Accessibility & contrast

On white

4.14

#537FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#537FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FB5

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FB5	#FFFFFF	#000000	##000000
##537FB5	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6982B7

Deuteranopia (green-blind)

#5D78B4

Tritanopia (blue-blind)

#198B92

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537fb5;
/* rgb */ color: rgb(83, 127, 181);
/* oklch */ color: oklch(58.8% 0.097 254.2);

Tailwind

colors: {
  custom: {
    50: '#8aa3cb',
    500: '#537fb5',
    950: '#000000',
  },
}

SCSS

$custom: #537fb5;
$custom-light: #8aa3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#537fb5",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 181
  },
  "hsl": {
    "h": 213.061,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58796,
    "c": 0.09663,
    "h": 254.2
  },
  "luminance": 0.20354
}

Semantic roles & 50–950 ramp

primary

#537FB5

secondary

#C7B49C

accent

#9A58D0

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537FB5

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

Preview Lab → · Contrast checker → · Palette generator →