#5B9BDD#5B9BDD

#5B9BDD is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.5% C 0.119 H 250.6°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#5B9BDD
RGB	rgb(91, 155, 221)
HSL	hsl(210, 66%, 61%)
HSV	hsv(210, 59%, 87%)
CMYK	cmyk(58.8%, 29.9%, 0%, 13.3%)
CIE-LAB	lab(62.41, -1.05, -39.71)
CIE-LCH	lch(62.41, 39.73, 268.49°)
OKLab	oklab(67.48% -0.0393 -0.1119)
OKLCH	oklch(67.48% 0.119 250.6)
XYZ	xyz(29.0822, 30.8847, 72.8213)
Luminance	0.3089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9BDD #DD9D5B

analogous

#5BDCDD #5B9BDD #5C5BDD

triadic

#5B9BDD #DD5B9B #9BDD5B

tetradic

#5B9BDD #DD5BDC #DD9D5B #5BDD5C

square

#5B9BDD #DD5BDC #DD9D5B #5BDD5C

split-complementary

#5B9BDD #DD5C5B #DCDD5B

monochromatic

#215E9D #2B7CD0 #5B9BDD #8EBAE8 #C0D9F2

Accessibility & contrast

On white

2.93

#5B9BDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#5B9BDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9BDD

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9BDD	#FFFFFF	#000000	##000000
##5B9BDD	1.00	2.93	7.18	7.18
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9EE0

Deuteranopia (green-blind)

#6E91DC

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5b9bdd;
/* rgb */ color: rgb(91, 155, 221);
/* oklch */ color: oklch(67.5% 0.119 250.6);

Tailwind

colors: {
  custom: {
    50: '#93b8e8',
    500: '#5b9bdd',
    950: '#000000',
  },
}

SCSS

$custom: #5b9bdd;
$custom-light: #93b8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9bdd",
  "rgb": {
    "r": 91,
    "g": 155,
    "b": 221
  },
  "hsl": {
    "h": 210.462,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67479,
    "c": 0.11861,
    "h": 250.6
  },
  "luminance": 0.30887
}

Semantic roles & 50–950 ramp

primary

#5B9BDD

secondary

#E2CAB1

accent

#7418CE

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9BDD

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

Preview Lab → · Contrast checker → · Palette generator →