#6591BC#6591BC

#6591BC is a light, moderate cyan. Relative luminance 0.266; OKLCH L 64.2% C 0.081 H 248.6°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#6591BC
RGB	rgb(101, 145, 188)
HSL	hsl(210, 39%, 57%)
HSV	hsv(210, 46%, 74%)
CMYK	cmyk(46.3%, 22.9%, 0%, 26.3%)
CIE-LAB	lab(58.65, -3.25, -27.04)
CIE-LCH	lch(58.65, 27.24, 263.14°)
OKLab	oklab(64.18% -0.0295 -0.0753)
OKLCH	oklch(64.18% 0.081 248.6)
XYZ	xyz(24.5662, 26.6467, 51.4160)
Luminance	0.2665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591BC #BC9065

analogous

#65BCBC #6591BC #6566BC

triadic

#6591BC #BC6591 #91BC65

tetradic

#6591BC #BC65BC #BC9065 #66BC65

square

#6591BC #BC65BC #BC9065 #66BC65

split-complementary

#6591BC #BC6566 #BCBC65

monochromatic

#335474 #45729F #6591BC #90AFCF #BACEE1

Accessibility & contrast

On white

3.32

#6591BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#6591BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591BC

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591BC	#FFFFFF	#000000	##000000
##6591BC	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8092BE

Deuteranopia (green-blind)

#7589BB

Tritanopia (blue-blind)

#409BA0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #6591bc;
/* rgb */ color: rgb(101, 145, 188);
/* oklch */ color: oklch(64.2% 0.081 248.6);

Tailwind

colors: {
  custom: {
    50: '#95b1d0',
    500: '#6591bc',
    950: '#000000',
  },
}

SCSS

$custom: #6591bc;
$custom-light: #95b1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6591bc",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 188
  },
  "hsl": {
    "h": 209.655,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.64184,
    "c": 0.08086,
    "h": 248.6
  },
  "luminance": 0.26648
}

Semantic roles & 50–950 ramp

primary

#6591BC

secondary

#D0BEAD

accent

#9359CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #6591BC

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

Preview Lab → · Contrast checker → · Palette generator →