#6378AD#6378AD

#6378AD is a mid, moderate blue. Relative luminance 0.191; OKLCH L 57.8% C 0.086 H 267.2°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#6378AD
RGB	rgb(99, 120, 173)
HSL	hsl(223, 31%, 53%)
HSV	hsv(223, 43%, 68%)
CMYK	cmyk(42.8%, 30.6%, 0%, 32.2%)
CIE-LAB	lab(50.81, 6.45, -30.63)
CIE-LCH	lch(50.81, 31.30, 281.89°)
OKLab	oklab(57.81% -0.0042 -0.0856)
OKLCH	oklch(57.81% 0.086 267.2)
XYZ	xyz(19.4025, 19.1017, 42.1917)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6378AD #AD9863

analogous

#639DAD #6378AD #7363AD

triadic

#6378AD #AD6378 #78AD63

tetradic

#6378AD #AD639D #AD9863 #63AD73

square

#6378AD #AD639D #AD9863 #63AD73

split-complementary

#6378AD #AD7363 #9DAD63

monochromatic

#344162 #495B8A #6378AD #8B9BC2 #B3BDD7

Accessibility & contrast

On white

4.36

#6378AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#6378AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6378AD

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6378AD	#FFFFFF	#000000	##000000
##6378AD	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657DAF

Deuteranopia (green-blind)

#5E76AC

Tritanopia (blue-blind)

#49838B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6378ad;
/* rgb */ color: rgb(99, 120, 173);
/* oklch */ color: oklch(57.8% 0.086 267.2);

Tailwind

colors: {
  custom: {
    50: '#929ec5',
    500: '#6378ad',
    950: '#000000',
  },
}

SCSS

$custom: #6378ad;
$custom-light: #929ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#6378ad",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 173
  },
  "hsl": {
    "h": 222.973,
    "s": 31.092,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57808,
    "c": 0.08575,
    "h": 267.2
  },
  "luminance": 0.19103
}

Semantic roles & 50–950 ramp

primary

#6378AD

secondary

#C6BDA6

accent

#AA61C7

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #6378AD

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

Preview Lab → · Contrast checker → · Palette generator →