#6173BC#6173BC

#6173BC is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.4% C 0.115 H 271.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#6173BC
RGB	rgb(97, 115, 188)
HSL	hsl(228, 40%, 56%)
HSV	hsv(228, 48%, 74%)
CMYK	cmyk(48.4%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(50.02, 13.51, -40.54)
CIE-LCH	lch(50.02, 42.74, 288.43°)
OKLab	oklab(57.4% 0.0038 -0.1145)
OKLCH	oklch(57.4% 0.115 271.9)
XYZ	xyz(20.1347, 18.4325, 50.0641)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6173BC #BCAA61

analogous

#61A0BC #6173BC #7C61BC

triadic

#6173BC #BC6173 #73BC61

tetradic

#6173BC #BC61A0 #BCAA61 #61BC7C

square

#6173BC #BC61A0 #BCAA61 #61BC7C

split-complementary

#6173BC #BC7C61 #A0BC61

monochromatic

#303D72 #43559D #6173BC #8C99CE #B7BFE0

Accessibility & contrast

On white

4.48

#6173BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#6173BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6173BC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6173BC	#FFFFFF	#000000	##000000
##6173BC	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577BBF

Deuteranopia (green-blind)

#4E73BA

Tritanopia (blue-blind)

#3D828E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #6173bc;
/* rgb */ color: rgb(97, 115, 188);
/* oklch */ color: oklch(57.4% 0.115 271.9);

Tailwind

colors: {
  custom: {
    50: '#939bd0',
    500: '#6173bc',
    950: '#000000',
  },
}

SCSS

$custom: #6173bc;
$custom-light: #939bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#6173bc",
  "rgb": {
    "r": 97,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 228.132,
    "s": 40.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57401,
    "c": 0.11457,
    "h": 271.9
  },
  "luminance": 0.18434
}

Semantic roles & 50–950 ramp

primary

#6173BC

secondary

#CFC8AA

accent

#B857D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #6173BC

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

Preview Lab → · Contrast checker → · Palette generator →