#6591CC#6591CC

#6591CC is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.9% C 0.101 H 256.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#6591CC
RGB	rgb(101, 145, 204)
HSL	hsl(214, 50%, 60%)
HSV	hsv(214, 50%, 80%)
CMYK	cmyk(50.5%, 28.9%, 0%, 20%)
CIE-LAB	lab(59.32, 1.52, -35.02)
CIE-LCH	lch(59.32, 35.05, 272.49°)
OKLab	oklab(64.94% -0.0244 -0.0982)
OKLCH	oklch(64.94% 0.101 256)
XYZ	xyz(26.3876, 27.3752, 61.0085)
Luminance	0.2738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591CC #CCA065

analogous

#65C5CC #6591CC #6D65CC

triadic

#6591CC #CC6591 #91CC65

tetradic

#6591CC #CC65C5 #CCA065 #65CC6D

square

#6591CC #CC65C5 #CCA065 #65CC6D

split-complementary

#6591CC #CC6D65 #C5CC65

monochromatic

#2D5589 #3D71B7 #6591CC #93B2DB #C1D3EA

Accessibility & contrast

On white

3.24

#6591CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#6591CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591CC

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591CC	#FFFFFF	#000000	##000000
##6591CC	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A94CF

Deuteranopia (green-blind)

#6D8ACB

Tritanopia (blue-blind)

#339EA6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6591cc;
/* rgb */ color: rgb(101, 145, 204);
/* oklch */ color: oklch(64.9% 0.101 256.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6591cc",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 204
  },
  "hsl": {
    "h": 214.369,
    "s": 50.244,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64936,
    "c": 0.10122,
    "h": 256
  },
  "luminance": 0.27377
}

Semantic roles & 50–950 ramp

primary

#6591CC

secondary

#DAC9B2

accent

#9E4EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6591CC

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

Preview Lab → · Contrast checker → · Palette generator →