#5B9BDC#5B9BDC

#5B9BDC is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.4% C 0.117 H 250.3°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#5B9BDC
RGB	rgb(91, 155, 220)
HSL	hsl(210, 65%, 61%)
HSV	hsv(210, 59%, 86%)
CMYK	cmyk(58.6%, 29.5%, 0%, 13.7%)
CIE-LAB	lab(62.37, -1.37, -39.23)
CIE-LCH	lch(62.37, 39.25, 268.00°)
OKLab	oklab(67.43% -0.0396 -0.1105)
OKLCH	oklch(67.43% 0.117 250.3)
XYZ	xyz(28.9493, 30.8315, 72.1218)
Luminance	0.3083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9BDC #DC9C5B

analogous

#5BDBDC #5B9BDC #5B5BDC

triadic

#5B9BDC #DC5B9B #9BDC5B

tetradic

#5B9BDC #DC5BDB #DC9C5B #5BDC5B

square

#5B9BDC #DC5BDB #DC9C5B #5BDC5B

split-complementary

#5B9BDC #DC5B5B #DBDC5B

monochromatic

#215E9B #2C7CCE #5B9BDC #8DBAE7 #C0D9F2

Accessibility & contrast

On white

2.93

#5B9BDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#5B9BDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9BDC

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9BDC	#FFFFFF	#000000	##000000
##5B9BDC	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809EDF

Deuteranopia (green-blind)

#6E91DB

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #5b9bdc;
/* rgb */ color: rgb(91, 155, 220);
/* oklch */ color: oklch(67.4% 0.117 250.3);

Tailwind

colors: {
  custom: {
    50: '#93b8e7',
    500: '#5b9bdc',
    950: '#000000',
  },
}

SCSS

$custom: #5b9bdc;
$custom-light: #93b8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9bdc",
  "rgb": {
    "r": 91,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 210.233,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.67428,
    "c": 0.11738,
    "h": 250.3
  },
  "luminance": 0.30834
}

Semantic roles & 50–950 ramp

primary

#5B9BDC

secondary

#E2CAB1

accent

#7319CD

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9BDC

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

Preview Lab → · Contrast checker → · Palette generator →