#6397CC#6397CC

#6397CC is a light, moderate cyan. Relative luminance 0.291; OKLCH L 66.2% C 0.097 H 249.9°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#6397CC
RGB	rgb(99, 151, 204)
HSL	hsl(210, 51%, 59%)
HSV	hsv(210, 51%, 80%)
CMYK	cmyk(51.5%, 26%, 0%, 20%)
CIE-LAB	lab(60.91, -2.38, -32.55)
CIE-LCH	lch(60.91, 32.64, 265.82°)
OKLab	oklab(66.15% -0.0333 -0.0911)
OKLCH	oklch(66.15% 0.097 249.9)
XYZ	xyz(27.1075, 29.1434, 61.3118)
Luminance	0.2914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397CC #CC9863

analogous

#63CCCC #6397CC #6463CC

triadic

#6397CC #CC6397 #97CC63

tetradic

#6397CC #CC63CC #CC9863 #63CC64

square

#6397CC #CC63CC #CC9863 #63CC64

split-complementary

#6397CC #CC6463 #CCCC63

monochromatic

#2C5A88 #3C78B6 #6397CC #91B6DB #BFD4EA

Accessibility & contrast

On white

3.08

#6397CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#6397CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6397CC

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397CC	#FFFFFF	#000000	##000000
##6397CC	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8199CE

Deuteranopia (green-blind)

#748ECB

Tritanopia (blue-blind)

#2CA3A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6397cc;
/* rgb */ color: rgb(99, 151, 204);
/* oklch */ color: oklch(66.2% 0.097 249.9);

Tailwind

colors: {
  custom: {
    50: '#96b5db',
    500: '#6397cc',
    950: '#000000',
  },
}

SCSS

$custom: #6397cc;
$custom-light: #96b5db;
$custom-dark: #000000;

JSON

{
  "hex": "#6397cc",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 204
  },
  "hsl": {
    "h": 210.286,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.66154,
    "c": 0.09702,
    "h": 249.9
  },
  "luminance": 0.29145
}

Semantic roles & 50–950 ramp

primary

#6397CC

secondary

#DAC6B1

accent

#954EDA

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #6397CC

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

Preview Lab → · Contrast checker → · Palette generator →