#537ECE#537ECE

#537ECE is a mid, vivid blue. Relative luminance 0.212; OKLCH L 59.9% C 0.132 H 261.8°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#537ECE
RGB	rgb(83, 126, 206)
HSL	hsl(219, 56%, 57%)
HSV	hsv(219, 60%, 81%)
CMYK	cmyk(59.7%, 38.8%, 0%, 19.2%)
CIE-LAB	lab(53.18, 9.55, -45.87)
CIE-LCH	lch(53.18, 46.85, 281.76°)
OKLab	oklab(59.94% -0.0187 -0.1302)
OKLCH	oklch(59.94% 0.132 261.8)
XYZ	xyz(22.1648, 21.2150, 61.3074)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ECE #CEA353

analogous

#53BCCE #537ECE #6653CE

triadic

#537ECE #CE537E #7ECE53

tetradic

#537ECE #CE53BC #CEA353 #53CE66

square

#537ECE #CE53BC #CEA353 #53CE66

split-complementary

#537ECE #CE6653 #BCCE53

monochromatic

#254582 #335FB1 #537ECE #83A2DC #B2C5E9

Accessibility & contrast

On white

4.01

#537ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#537ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ECE

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ECE	#FFFFFF	#000000	##000000
##537ECE	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C85D1

Deuteranopia (green-blind)

#4B7ACC

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537ece;
/* rgb */ color: rgb(83, 126, 206);
/* oklch */ color: oklch(59.9% 0.132 261.8);

Tailwind

colors: {
  custom: {
    50: '#8da3dd',
    500: '#537ece',
    950: '#000000',
  },
}

SCSS

$custom: #537ece;
$custom-light: #8da3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#537ece",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 206
  },
  "hsl": {
    "h": 219.024,
    "s": 55.656,
    "l": 56.667
  },
  "oklch": {
    "l": 0.5994,
    "c": 0.13157,
    "h": 261.8
  },
  "luminance": 0.21217
}

Semantic roles & 50–950 ramp

primary

#537ECE

secondary

#D8C6A5

accent

#AA49DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #537ECE

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

Preview Lab → · Contrast checker → · Palette generator →