#537EB4#537EB4

#537EB4 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.096 H 254.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#537EB4
RGB	rgb(83, 126, 180)
HSL	hsl(213, 39%, 52%)
HSV	hsv(213, 54%, 71%)
CMYK	cmyk(53.9%, 30%, 0%, 29.4%)
CIE-LAB	lab(51.90, 1.03, -33.03)
CIE-LCH	lch(51.90, 33.05, 271.79°)
OKLab	oklab(58.52% -0.0254 -0.0928)
OKLCH	oklch(58.52% 0.096 254.7)
XYZ	xyz(19.2635, 20.0545, 46.0270)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EB4 #B48953

analogous

#53AFB4 #537EB4 #5953B4

triadic

#537EB4 #B4537E #7EB453

tetradic

#537EB4 #B453AF #B48953 #53B459

square

#537EB4 #B453AF #B48953 #53B459

split-complementary

#537EB4 #B45953 #AFB453

monochromatic

#2B4362 #3D608D #537EB4 #7E9EC7 #A8BED9

Accessibility & contrast

On white

4.19

#537EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#537EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EB4

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EB4	#FFFFFF	#000000	##000000
##537EB4	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)

#6881B6

Deuteranopia (green-blind)

#5C78B3

Tritanopia (blue-blind)

#1B8A91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537eb4;
/* rgb */ color: rgb(83, 126, 180);
/* oklch */ color: oklch(58.5% 0.096 254.7);

Tailwind

colors: {
  custom: {
    50: '#8aa3ca',
    500: '#537eb4',
    950: '#000000',
  },
}

SCSS

$custom: #537eb4;
$custom-light: #8aa3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#537eb4",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 180
  },
  "hsl": {
    "h": 213.402,
    "s": 39.271,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58519,
    "c": 0.09626,
    "h": 254.7
  },
  "luminance": 0.20056
}

Semantic roles & 50–950 ramp

primary

#537EB4

secondary

#C7B49C

accent

#9B59CF

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537EB4

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

Preview Lab → · Contrast checker → · Palette generator →