#537EC3#537EC3

#537EC3 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.3% C 0.117 H 259.5°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#537EC3
RGB	rgb(83, 126, 195)
HSL	hsl(217, 48%, 55%)
HSV	hsv(217, 57%, 76%)
CMYK	cmyk(57.4%, 35.4%, 0%, 23.5%)
CIE-LAB	lab(52.62, 5.90, -40.50)
CIE-LCH	lch(52.62, 40.93, 278.29°)
OKLab	oklab(59.32% -0.0213 -0.1146)
OKLCH	oklch(59.32% 0.117 259.5)
XYZ	xyz(20.8750, 20.6991, 54.5144)
Luminance	0.2070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EC3 #C39853

analogous

#53B6C3 #537EC3 #6053C3

triadic

#537EC3 #C3537E #7EC353

tetradic

#537EC3 #C353B6 #C39853 #53C360

square

#537EC3 #C353B6 #C39853 #53C360

split-complementary

#537EC3 #C36053 #B6C353

monochromatic

#284573 #3860A1 #537EC3 #80A0D3 #AEC2E3

Accessibility & contrast

On white

4.09

#537EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#537EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EC3

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EC3	#FFFFFF	#000000	##000000
##537EC3	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6283C6

Deuteranopia (green-blind)

#5379C2

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537ec3;
/* rgb */ color: rgb(83, 126, 195);
/* oklch */ color: oklch(59.3% 0.117 259.5);

Tailwind

colors: {
  custom: {
    50: '#8ca3d5',
    500: '#537ec3',
    950: '#000000',
  },
}

SCSS

$custom: #537ec3;
$custom-light: #8ca3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#537ec3",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 195
  },
  "hsl": {
    "h": 216.964,
    "s": 48.276,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59317,
    "c": 0.11652,
    "h": 259.5
  },
  "luminance": 0.20701
}

Semantic roles & 50–950 ramp

primary

#537EC3

secondary

#D1BEA1

accent

#A450D8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537EC3

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

Preview Lab → · Contrast checker → · Palette generator →