#638ABE#638ABE

#638ABE is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.6% C 0.090 H 255.9°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#638ABE
RGB	rgb(99, 138, 190)
HSL	hsl(214, 41%, 57%)
HSV	hsv(214, 48%, 75%)
CMYK	cmyk(47.9%, 27.4%, 0%, 25.5%)
CIE-LAB	lab(56.63, 0.87, -31.31)
CIE-LCH	lch(56.63, 31.32, 271.59°)
OKLab	oklab(62.6% -0.022 -0.0876)
OKLCH	oklch(62.6% 0.09 255.9)
XYZ	xyz(23.5252, 24.5457, 52.2034)
Luminance	0.2455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638ABE #BE9763

analogous

#63B7BE #638ABE #6A63BE

triadic

#638ABE #BE638A #8ABE63

tetradic

#638ABE #BE63B7 #BE9763 #63BE6A

square

#638ABE #BE63B7 #BE9763 #63BE6A

split-complementary

#638ABE #BE6A63 #B7BE63

monochromatic

#314E76 #436BA1 #638ABE #8EAAD0 #B9CBE2

Accessibility & contrast

On white

3.55

#638ABE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#638ABE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638ABE

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638ABE	#FFFFFF	#000000	##000000
##638ABE	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768DC0

Deuteranopia (green-blind)

#6B84BD

Tritanopia (blue-blind)

#3C969C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #638abe;
/* rgb */ color: rgb(99, 138, 190);
/* oklch */ color: oklch(62.6% 0.090 255.9);

Tailwind

colors: {
  custom: {
    50: '#94acd1',
    500: '#638abe',
    950: '#000000',
  },
}

SCSS

$custom: #638abe;
$custom-light: #94acd1;
$custom-dark: #000000;

JSON

{
  "hex": "#638abe",
  "rgb": {
    "r": 99,
    "g": 138,
    "b": 190
  },
  "hsl": {
    "h": 214.286,
    "s": 41.176,
    "l": 56.667
  },
  "oklch": {
    "l": 0.626,
    "c": 0.09031,
    "h": 255.9
  },
  "luminance": 0.24547
}

Semantic roles & 50–950 ramp

primary

#638ABE

secondary

#D1C1AC

accent

#9D57D1

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #638ABE

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

Preview Lab → · Contrast checker → · Palette generator →