#6378AF#6378AF

#6378AF is a mid, moderate blue. Relative luminance 0.192; OKLCH L 57.9% C 0.089 H 267.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#6378AF
RGB	rgb(99, 120, 175)
HSL	hsl(223, 32%, 54%)
HSV	hsv(223, 43%, 69%)
CMYK	cmyk(43.4%, 31.4%, 0%, 31.4%)
CIE-LAB	lab(50.90, 7.04, -31.64)
CIE-LCH	lch(50.90, 32.42, 282.54°)
OKLab	oklab(57.91% -0.0037 -0.0886)
OKLCH	oklch(57.91% 0.089 267.6)
XYZ	xyz(19.5975, 19.1797, 43.2185)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6378AF #AF9A63

analogous

#639EAF #6378AF #7463AF

triadic

#6378AF #AF6378 #78AF63

tetradic

#6378AF #AF639E #AF9A63 #63AF74

square

#6378AF #AF639E #AF9A63 #63AF74

split-complementary

#6378AF #AF7463 #9EAF63

monochromatic

#334164 #485B8D #6378AF #8B9BC4 #B4BED8

Accessibility & contrast

On white

4.34

#6378AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#6378AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6378AF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6378AF	#FFFFFF	#000000	##000000
##6378AF	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657DB1

Deuteranopia (green-blind)

#5D76AE

Tritanopia (blue-blind)

#48838C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6378af;
/* rgb */ color: rgb(99, 120, 175);
/* oklch */ color: oklch(57.9% 0.089 267.6);

Tailwind

colors: {
  custom: {
    50: '#939ec7',
    500: '#6378af',
    950: '#000000',
  },
}

SCSS

$custom: #6378af;
$custom-light: #939ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#6378af",
  "rgb": {
    "r": 99,
    "g": 120,
    "b": 175
  },
  "hsl": {
    "h": 223.421,
    "s": 32.203,
    "l": 53.725
  },
  "oklch": {
    "l": 0.57908,
    "c": 0.08867,
    "h": 267.6
  },
  "luminance": 0.19181
}

Semantic roles & 50–950 ramp

primary

#6378AF

secondary

#C7BEA7

accent

#AB5FC8

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #6378AF

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

Preview Lab → · Contrast checker → · Palette generator →