#6591CB#6591CB

#6591CB is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.9% C 0.100 H 255.7°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#6591CB
RGB	rgb(101, 145, 203)
HSL	hsl(214, 50%, 60%)
HSV	hsv(214, 50%, 80%)
CMYK	cmyk(50.2%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(59.28, 1.22, -34.53)
CIE-LCH	lch(59.28, 34.55, 272.02°)
OKLab	oklab(64.89% -0.0247 -0.0968)
OKLCH	oklch(64.89% 0.1 255.7)
XYZ	xyz(26.2680, 27.3274, 60.3788)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591CB #CB9F65

analogous

#65C4CB #6591CB #6C65CB

triadic

#6591CB #CB6591 #91CB65

tetradic

#6591CB #CB65C4 #CB9F65 #65CB6C

square

#6591CB #CB65C4 #CB9F65 #65CB6C

split-complementary

#6591CB #CB6C65 #C4CB65

monochromatic

#2E5588 #3D71B6 #6591CB #93B2DA #C1D2EA

Accessibility & contrast

On white

3.25

#6591CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#6591CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591CB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591CB	#FFFFFF	#000000	##000000
##6591CB	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A94CE

Deuteranopia (green-blind)

#6E8ACA

Tritanopia (blue-blind)

#349EA5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6591cb;
/* rgb */ color: rgb(101, 145, 203);
/* oklch */ color: oklch(64.9% 0.100 255.7);

Tailwind

colors: {
  custom: {
    50: '#97b1db',
    500: '#6591cb',
    950: '#000000',
  },
}

SCSS

$custom: #6591cb;
$custom-light: #97b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#6591cb",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 214.118,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.64887,
    "c": 0.09992,
    "h": 255.7
  },
  "luminance": 0.27329
}

Semantic roles & 50–950 ramp

primary

#6591CB

secondary

#DAC9B2

accent

#9D4FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6591CB

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

Preview Lab → · Contrast checker → · Palette generator →