#5990CB#5990CB

#5990CB is a light, moderate cyan. Relative luminance 0.264; OKLCH L 64.0% C 0.107 H 251.4°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#5990CB
RGB	rgb(89, 144, 203)
HSL	hsl(211, 52%, 57%)
HSV	hsv(211, 56%, 80%)
CMYK	cmyk(56.2%, 29.1%, 0%, 20.4%)
CIE-LAB	lab(58.40, -0.88, -35.94)
CIE-LCH	lch(58.40, 35.96, 268.60°)
OKLab	oklab(64.04% -0.0341 -0.1011)
OKLCH	oklch(64.04% 0.107 251.4)
XYZ	xyz(24.8687, 26.3801, 60.2697)
Luminance	0.2638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5990CB #CB9459

analogous

#59C9CB #5990CB #5B59CB

triadic

#5990CB #CB5990 #90CB59

tetradic

#5990CB #CB59C9 #CB9459 #59CB5B

square

#5990CB #CB59C9 #CB9459 #59CB5B

split-complementary

#5990CB #CB5B59 #C9CB59

monochromatic

#285381 #3771B0 #5990CB #88AFDA #B6CEE8

Accessibility & contrast

On white

3.35

#5990CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#5990CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5990CB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5990CB	#FFFFFF	#000000	##000000
##5990CB	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CE

Deuteranopia (green-blind)

#6987CA

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5990cb;
/* rgb */ color: rgb(89, 144, 203);
/* oklch */ color: oklch(64.0% 0.107 251.4);

Tailwind

colors: {
  custom: {
    50: '#90b0db',
    500: '#5990cb',
    950: '#000000',
  },
}

SCSS

$custom: #5990cb;
$custom-light: #90b0db;
$custom-dark: #000000;

JSON

{
  "hex": "#5990cb",
  "rgb": {
    "r": 89,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 211.053,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.64036,
    "c": 0.10668,
    "h": 251.4
  },
  "luminance": 0.26382
}

Semantic roles & 50–950 ramp

primary

#5990CB

secondary

#D7C1A9

accent

#964CDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5990CB

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

Preview Lab → · Contrast checker → · Palette generator →