#6591BF#6591BF

#6591BF is a light, moderate cyan. Relative luminance 0.268; OKLCH L 64.3% C 0.085 H 250.3°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#6591BF
RGB	rgb(101, 145, 191)
HSL	hsl(211, 41%, 57%)
HSV	hsv(211, 47%, 75%)
CMYK	cmyk(47.1%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(58.77, -2.37, -28.55)
CIE-LCH	lch(58.77, 28.65, 265.25°)
OKLab	oklab(64.32% -0.0285 -0.0796)
OKLCH	oklch(64.32% 0.085 250.3)
XYZ	xyz(24.8930, 26.7774, 53.1369)
Luminance	0.2678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6591BF #BF9365

analogous

#65BEBF #6591BF #6665BF

triadic

#6591BF #BF6591 #91BF65

tetradic

#6591BF #BF65BE #BF9365 #65BF66

square

#6591BF #BF65BE #BF9365 #65BF66

split-complementary

#6591BF #BF6665 #BEBF65

monochromatic

#325478 #4472A3 #6591BF #90B0D1 #BBCFE3

Accessibility & contrast

On white

3.30

#6591BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#6591BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6591BF

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6591BF	#FFFFFF	#000000	##000000
##6591BF	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F92C1

Deuteranopia (green-blind)

#7389BE

Tritanopia (blue-blind)

#3E9CA1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #6591bf;
/* rgb */ color: rgb(101, 145, 191);
/* oklch */ color: oklch(64.3% 0.085 250.3);

Tailwind

colors: {
  custom: {
    50: '#95b1d2',
    500: '#6591bf',
    950: '#000000',
  },
}

SCSS

$custom: #6591bf;
$custom-light: #95b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#6591bf",
  "rgb": {
    "r": 101,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 210.667,
    "s": 41.284,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6432,
    "c": 0.08456,
    "h": 250.3
  },
  "luminance": 0.26779
}

Semantic roles & 50–950 ramp

primary

#6591BF

secondary

#D2C0AE

accent

#9557D1

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #6591BF

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

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