#5B9DDF#5B9DDF

#5B9DDF is a light, moderate cyan. Relative luminance 0.317; OKLCH L 68.0% C 0.119 H 250.0°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B9DDF
RGB	rgb(91, 157, 223)
HSL	hsl(210, 67%, 62%)
HSV	hsv(210, 59%, 87%)
CMYK	cmyk(59.2%, 29.6%, 0%, 12.5%)
CIE-LAB	lab(63.06, -1.55, -39.80)
CIE-LCH	lch(63.06, 39.83, 267.77°)
OKLab	oklab(68.02% -0.0409 -0.1121)
OKLCH	oklch(68.02% 0.119 250)
XYZ	xyz(29.6858, 31.6631, 74.3449)
Luminance	0.3167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9DDF #DF9D5B

analogous

#5BDFDF #5B9DDF #5B5BDF

triadic

#5B9DDF #DF5B9D #9DDF5B

tetradic

#5B9DDF #DF5BDF #DF9D5B #5BDF5B

square

#5B9DDF #DF5BDF #DF9D5B #5BDF5B

split-complementary

#5B9DDF #DF5B5B #DFDF5B

monochromatic

#1F60A0 #297ED4 #5B9DDF #8EBCE9 #C1DAF3

Accessibility & contrast

On white

2.86

#5B9DDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#5B9DDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DDF

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9DDF	#FFFFFF	#000000	##000000
##5B9DDF	1.00	2.86	7.33	7.33
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A0E2

Deuteranopia (green-blind)

#6F93DE

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #5b9ddf;
/* rgb */ color: rgb(91, 157, 223);
/* oklch */ color: oklch(68.0% 0.119 250.0);

Tailwind

colors: {
  custom: {
    50: '#94b9e9',
    500: '#5b9ddf',
    950: '#000000',
  },
}

SCSS

$custom: #5b9ddf;
$custom-light: #94b9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9ddf",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 223
  },
  "hsl": {
    "h": 210,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.68021,
    "c": 0.11936,
    "h": 250
  },
  "luminance": 0.31666
}

Semantic roles & 50–950 ramp

primary

#5B9DDF

secondary

#E3CBB2

accent

#7316CF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9DDF

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

Preview Lab → · Contrast checker → · Palette generator →