#5387BB#5387BB

#5387BB is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.9% C 0.097 H 249.7°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#5387BB
RGB	rgb(83, 135, 187)
HSL	hsl(210, 43%, 53%)
HSV	hsv(210, 56%, 73%)
CMYK	cmyk(55.6%, 27.8%, 0%, 26.7%)
CIE-LAB	lab(54.82, -2.03, -32.49)
CIE-LCH	lch(54.82, 32.55, 266.43°)
OKLab	oklab(60.91% -0.0337 -0.0912)
OKLCH	oklch(60.91% 0.097 249.7)
XYZ	xyz(21.1977, 22.7530, 50.2788)
Luminance	0.2276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5387BB #BB8753

analogous

#53BBBB #5387BB #5353BB

triadic

#5387BB #BB5387 #87BB53

tetradic

#5387BB #BB53BB #BB8753 #53BB53

square

#5387BB #BB53BB #BB8753 #53BB53

split-complementary

#5387BB #BB5353 #BBBB53

monochromatic

#2A4A6A #3B6896 #5387BB #7FA6CC #ABC4DE

Accessibility & contrast

On white

3.78

#5387BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#5387BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5387BB

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5387BB	#FFFFFF	#000000	##000000
##5387BB	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BD

Deuteranopia (green-blind)

#647FBA

Tritanopia (blue-blind)

#049399

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5387bb;
/* rgb */ color: rgb(83, 135, 187);
/* oklch */ color: oklch(60.9% 0.097 249.7);

Tailwind

colors: {
  custom: {
    50: '#8ba9cf',
    500: '#5387bb',
    950: '#000000',
  },
}

SCSS

$custom: #5387bb;
$custom-light: #8ba9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5387bb",
  "rgb": {
    "r": 83,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 210,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.60913,
    "c": 0.09726,
    "h": 249.7
  },
  "luminance": 0.22755
}

Semantic roles & 50–950 ramp

primary

#5387BB

secondary

#CBB59E

accent

#9455D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #5387BB

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

Preview Lab → · Contrast checker → · Palette generator →