#537EA4#537EA4

#537EA4 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.076 H 246.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#537EA4
RGB	rgb(83, 126, 164)
HSL	hsl(208, 33%, 48%)
HSV	hsv(208, 49%, 64%)
CMYK	cmyk(49.4%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(51.20, -3.98, -24.87)
CIE-LCH	lch(51.20, 25.19, 260.92°)
OKLab	oklab(57.74% -0.0305 -0.0693)
OKLCH	oklch(57.74% 0.076 246.2)
XYZ	xyz(17.7266, 19.4398, 37.9329)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EA4 #A47953

analogous

#53A4A1 #537EA4 #5355A4

triadic

#537EA4 #A4537E #7EA453

tetradic

#537EA4 #A153A4 #A47953 #55A453

square

#537EA4 #A153A4 #A47953 #55A453

split-complementary

#537EA4 #A45355 #A4A153

monochromatic

#2A4053 #3E5F7B #537EA4 #799CBB #A2BAD0

Accessibility & contrast

On white

4.30

#537EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#537EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EA4

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EA4	#FFFFFF	#000000	##000000
##537EA4	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7FA6

Deuteranopia (green-blind)

#6476A3

Tritanopia (blue-blind)

#2D878B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537ea4;
/* rgb */ color: rgb(83, 126, 164);
/* oklch */ color: oklch(57.7% 0.076 246.2);

Tailwind

colors: {
  custom: {
    50: '#88a3bf',
    500: '#537ea4',
    950: '#000000',
  },
}

SCSS

$custom: #537ea4;
$custom-light: #88a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#537ea4",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 208.148,
    "s": 32.794,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57737,
    "c": 0.07576,
    "h": 246.2
  },
  "luminance": 0.19441
}

Semantic roles & 50–950 ramp

primary

#537EA4

secondary

#BDA896

accent

#915FC9

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #537EA4

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

Preview Lab → · Contrast checker → · Palette generator →