#537EC1#537EC1

#537EC1 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.2% C 0.114 H 259.0°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#537EC1
RGB	rgb(83, 126, 193)
HSL	hsl(217, 47%, 54%)
HSV	hsv(217, 57%, 76%)
CMYK	cmyk(57%, 34.7%, 0%, 24.3%)
CIE-LAB	lab(52.52, 5.24, -39.52)
CIE-LCH	lch(52.52, 39.86, 277.56°)
OKLab	oklab(59.21% -0.0218 -0.1117)
OKLCH	oklch(59.21% 0.114 259)
XYZ	xyz(20.6504, 20.6093, 53.3315)
Luminance	0.2061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EC1 #C19653

analogous

#53B5C1 #537EC1 #5F53C1

triadic

#537EC1 #C1537E #7EC153

tetradic

#537EC1 #C153B5 #C19653 #53C15F

square

#537EC1 #C153B5 #C19653 #53C15F

split-complementary

#537EC1 #C15F53 #B5C153

monochromatic

#294571 #39609E #537EC1 #80A0D1 #ADC1E1

Accessibility & contrast

On white

4.10

#537EC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#537EC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EC1

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EC1	#FFFFFF	#000000	##000000
##537EC1	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6383C4

Deuteranopia (green-blind)

#5579C0

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537ec1;
/* rgb */ color: rgb(83, 126, 193);
/* oklch */ color: oklch(59.2% 0.114 259.0);

Tailwind

colors: {
  custom: {
    50: '#8ba3d4',
    500: '#537ec1',
    950: '#000000',
  },
}

SCSS

$custom: #537ec1;
$custom-light: #8ba3d4;
$custom-dark: #000000;

JSON

{
  "hex": "#537ec1",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 193
  },
  "hsl": {
    "h": 216.545,
    "s": 47.009,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59207,
    "c": 0.11379,
    "h": 259
  },
  "luminance": 0.20611
}

Semantic roles & 50–950 ramp

primary

#537EC1

secondary

#CFBDA1

accent

#A251D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0F14

muted

#7D7E83

Preview Lab

Preview with #537EC1

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

Preview Lab → · Contrast checker → · Palette generator →