#5B99CA#5B99CA

#5B99CA is a light, moderate cyan. Relative luminance 0.293; OKLCH L 66.1% C 0.098 H 243.9°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#5B99CA
RGB	rgb(91, 153, 202)
HSL	hsl(206, 51%, 57%)
HSV	hsv(206, 55%, 79%)
CMYK	cmyk(55%, 24.3%, 0%, 20.8%)
CIE-LAB	lab(61.02, -5.90, -31.29)
CIE-LCH	lch(61.02, 31.84, 259.33°)
OKLab	oklab(66.11% -0.0429 -0.0876)
OKLCH	oklch(66.11% 0.098 243.9)
XYZ	xyz(26.3624, 29.2686, 60.1258)
Luminance	0.2927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B99CA #CA8C5B

analogous

#5BCAC3 #5B99CA #5B62CA

triadic

#5B99CA #CA5B99 #99CA5B

tetradic

#5B99CA #C35BCA #CA8C5B #62CA5B

square

#5B99CA #C35BCA #CA8C5B #62CA5B

split-complementary

#5B99CA #CA5B62 #CAC35B

monochromatic

#2A5A81 #397BAF #5B99CA #89B6D9 #B8D3E8

Accessibility & contrast

On white

3.06

#5B99CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#5B99CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B99CA

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B99CA	#FFFFFF	#000000	##000000
##5B99CA	1.00	3.06	6.85	6.85
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACC

Deuteranopia (green-blind)

#758EC9

Tritanopia (blue-blind)

#04A5AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5b99ca;
/* rgb */ color: rgb(91, 153, 202);
/* oklch */ color: oklch(66.1% 0.098 243.9);

Tailwind

colors: {
  custom: {
    50: '#91b6da',
    500: '#5b99ca',
    950: '#000000',
  },
}

SCSS

$custom: #5b99ca;
$custom-light: #91b6da;
$custom-dark: #000000;

JSON

{
  "hex": "#5b99ca",
  "rgb": {
    "r": 91,
    "g": 153,
    "b": 202
  },
  "hsl": {
    "h": 206.486,
    "s": 51.152,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66111,
    "c": 0.09755,
    "h": 243.9
  },
  "luminance": 0.29271
}

Semantic roles & 50–950 ramp

primary

#5B99CA

secondary

#D7BEAA

accent

#8C4DDB

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5B99CA

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

Preview Lab → · Contrast checker → · Palette generator →