#537EC6#537EC6

#537EC6 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.5% C 0.121 H 260.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#537EC6
RGB	rgb(83, 126, 198)
HSL	hsl(218, 50%, 55%)
HSV	hsv(218, 58%, 78%)
CMYK	cmyk(58.1%, 36.4%, 0%, 22.4%)
CIE-LAB	lab(52.77, 6.89, -41.98)
CIE-LCH	lch(52.77, 42.54, 279.32°)
OKLab	oklab(59.48% -0.0205 -0.1189)
OKLCH	oklch(59.48% 0.121 260.2)
XYZ	xyz(21.2176, 20.8361, 56.3188)
Luminance	0.2084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EC6 #C69B53

analogous

#53B8C6 #537EC6 #6153C6

triadic

#537EC6 #C6537E #7EC653

tetradic

#537EC6 #C653B8 #C69B53 #53C661

square

#537EC6 #C653B8 #C69B53 #53C661

split-complementary

#537EC6 #C66153 #B8C653

monochromatic

#274577 #3760A5 #537EC6 #81A0D5 #AFC3E4

Accessibility & contrast

On white

4.06

#537EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#537EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EC6

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EC6	#FFFFFF	#000000	##000000
##537EC6	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6084C9

Deuteranopia (green-blind)

#5179C4

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537ec6;
/* rgb */ color: rgb(83, 126, 198);
/* oklch */ color: oklch(59.5% 0.121 260.2);

Tailwind

colors: {
  custom: {
    50: '#8ca3d7',
    500: '#537ec6',
    950: '#000000',
  },
}

SCSS

$custom: #537ec6;
$custom-light: #8ca3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#537ec6",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 198
  },
  "hsl": {
    "h": 217.565,
    "s": 50.218,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59484,
    "c": 0.12062,
    "h": 260.2
  },
  "luminance": 0.20838
}

Semantic roles & 50–950 ramp

primary

#537EC6

secondary

#D3C0A2

accent

#A64EDA

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537EC6

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

Preview Lab → · Contrast checker → · Palette generator →