#5A90CB#5A90CB

#5A90CB is a light, moderate cyan. Relative luminance 0.264; OKLCH L 64.1% C 0.106 H 251.8°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#5A90CB
RGB	rgb(90, 144, 203)
HSL	hsl(211, 52%, 57%)
HSV	hsv(211, 56%, 80%)
CMYK	cmyk(55.7%, 29.1%, 0%, 20.4%)
CIE-LAB	lab(58.44, -0.66, -35.87)
CIE-LCH	lch(58.44, 35.87, 268.94°)
OKLab	oklab(64.09% -0.0332 -0.1008)
OKLCH	oklch(64.09% 0.106 251.8)
XYZ	xyz(24.9654, 26.4299, 60.2742)
Luminance	0.2643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A90CB #CB955A

analogous

#5AC9CB #5A90CB #5C5ACB

triadic

#5A90CB #CB5A90 #90CB5A

tetradic

#5A90CB #CB5AC9 #CB955A #5ACB5C

square

#5A90CB #CB5AC9 #CB955A #5ACB5C

split-complementary

#5A90CB #CB5C5A #C9CB5A

monochromatic

#295382 #3871B0 #5A90CB #89AFDA #B7CFE8

Accessibility & contrast

On white

3.34

#5A90CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#5A90CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A90CB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A90CB	#FFFFFF	#000000	##000000
##5A90CB	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CE

Deuteranopia (green-blind)

#6988CA

Tritanopia (blue-blind)

#019EA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5a90cb;
/* rgb */ color: rgb(90, 144, 203);
/* oklch */ color: oklch(64.1% 0.106 251.8);

Tailwind

colors: {
  custom: {
    50: '#90b0db',
    500: '#5a90cb',
    950: '#000000',
  },
}

SCSS

$custom: #5a90cb;
$custom-light: #90b0db;
$custom-dark: #000000;

JSON

{
  "hex": "#5a90cb",
  "rgb": {
    "r": 90,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 211.327,
    "s": 52.074,
    "l": 57.451
  },
  "oklch": {
    "l": 0.64086,
    "c": 0.10619,
    "h": 251.8
  },
  "luminance": 0.26432
}

Semantic roles & 50–950 ramp

primary

#5A90CB

secondary

#D7C1AA

accent

#974CDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5A90CB

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

Preview Lab → · Contrast checker → · Palette generator →