#5B9CDC#5B9CDC

#5B9CDC is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.7% C 0.117 H 249.6°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#5B9CDC
RGB	rgb(91, 156, 220)
HSL	hsl(210, 65%, 61%)
HSV	hsv(210, 59%, 86%)
CMYK	cmyk(58.6%, 29.1%, 0%, 13.7%)
CIE-LAB	lab(62.65, -1.94, -38.79)
CIE-LCH	lch(62.65, 38.84, 267.14°)
OKLab	oklab(67.65% -0.0407 -0.1092)
OKLCH	oklch(67.65% 0.117 249.6)
XYZ	xyz(29.1164, 31.1658, 72.1775)
Luminance	0.3117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9CDC #DC9B5B

analogous

#5BDCDB #5B9CDC #5B5BDC

triadic

#5B9CDC #DC5B9C #9CDC5B

tetradic

#5B9CDC #DB5BDC #DC9B5B #5BDC5B

square

#5B9CDC #DB5BDC #DC9B5B #5BDC5B

split-complementary

#5B9CDC #DC5B5B #DCDB5B

monochromatic

#215F9B #2C7ECE #5B9CDC #8DBAE7 #C0D9F2

Accessibility & contrast

On white

2.90

#5B9CDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#5B9CDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9CDC

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9CDC	#FFFFFF	#000000	##000000
##5B9CDC	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819FDF

Deuteranopia (green-blind)

#7092DB

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5b9cdc;
/* rgb */ color: rgb(91, 156, 220);
/* oklch */ color: oklch(67.7% 0.117 249.6);

Tailwind

colors: {
  custom: {
    50: '#93b9e7',
    500: '#5b9cdc',
    950: '#000000',
  },
}

SCSS

$custom: #5b9cdc;
$custom-light: #93b9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9cdc",
  "rgb": {
    "r": 91,
    "g": 156,
    "b": 220
  },
  "hsl": {
    "h": 209.767,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.6765,
    "c": 0.11654,
    "h": 249.6
  },
  "luminance": 0.31168
}

Semantic roles & 50–950 ramp

primary

#5B9CDC

secondary

#E2C9B1

accent

#7219CD

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9CDC

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

Preview Lab → · Contrast checker → · Palette generator →