#5A99CB#5A99CB

#5A99CB is a light, moderate cyan. Relative luminance 0.293; OKLCH L 66.1% C 0.099 H 244.0°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#5A99CB
RGB	rgb(90, 153, 203)
HSL	hsl(207, 52%, 57%)
HSV	hsv(207, 56%, 80%)
CMYK	cmyk(55.7%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(61.02, -5.80, -31.86)
CIE-LCH	lch(61.02, 32.38, 259.68°)
OKLab	oklab(66.11% -0.0434 -0.0892)
OKLCH	oklch(66.11% 0.099 244)
XYZ	xyz(26.3833, 29.2657, 60.7468)
Luminance	0.2927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A99CB #CB8C5A

analogous

#5ACBC5 #5A99CB #5A60CB

triadic

#5A99CB #CB5A99 #99CB5A

tetradic

#5A99CB #C55ACB #CB8C5A #60CB5A

square

#5A99CB #C55ACB #CB8C5A #60CB5A

split-complementary

#5A99CB #CB5A60 #CBC55A

monochromatic

#295A82 #387BB0 #5A99CB #89B6DA #B7D3E8

Accessibility & contrast

On white

3.06

#5A99CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#5A99CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A99CB

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A99CB	#FFFFFF	#000000	##000000
##5A99CB	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)

#839ACD

Deuteranopia (green-blind)

#748ECA

Tritanopia (blue-blind)

#00A5AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5a99cb;
/* rgb */ color: rgb(90, 153, 203);
/* oklch */ color: oklch(66.1% 0.099 244.0);

Tailwind

colors: {
  custom: {
    50: '#91b6db',
    500: '#5a99cb',
    950: '#000000',
  },
}

SCSS

$custom: #5a99cb;
$custom-light: #91b6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5a99cb",
  "rgb": {
    "r": 90,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 206.549,
    "s": 52.074,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66111,
    "c": 0.09925,
    "h": 244
  },
  "luminance": 0.29268
}

Semantic roles & 50–950 ramp

primary

#5A99CB

secondary

#D7BEAA

accent

#8C4CDC

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5A99CB

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

Preview Lab → · Contrast checker → · Palette generator →