#6173BB#6173BB

#6173BB is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.3% C 0.113 H 271.8°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#6173BB
RGB	rgb(97, 115, 187)
HSL	hsl(228, 40%, 56%)
HSV	hsv(228, 48%, 73%)
CMYK	cmyk(48.1%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(49.97, 13.20, -40.05)
CIE-LCH	lch(49.97, 42.17, 288.24°)
OKLab	oklab(57.34% 0.0036 -0.1131)
OKLCH	oklch(57.34% 0.113 271.8)
XYZ	xyz(20.0273, 18.3895, 49.4983)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6173BB #BBA961

analogous

#61A0BB #6173BB #7C61BB

triadic

#6173BB #BB6173 #73BB61

tetradic

#6173BB #BB61A0 #BBA961 #61BB7C

square

#6173BB #BB61A0 #BBA961 #61BB7C

split-complementary

#6173BB #BB7C61 #A0BB61

monochromatic

#313D71 #43559C #6173BB #8C99CD #B7BFE0

Accessibility & contrast

On white

4.49

#6173BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#6173BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6173BB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6173BB	#FFFFFF	#000000	##000000
##6173BB	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#4F73B9

Tritanopia (blue-blind)

#3E828E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #6173bb;
/* rgb */ color: rgb(97, 115, 187);
/* oklch */ color: oklch(57.3% 0.113 271.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6173bb",
  "rgb": {
    "r": 97,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 228,
    "s": 39.823,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57344,
    "c": 0.11312,
    "h": 271.8
  },
  "luminance": 0.18391
}

Semantic roles & 50–950 ramp

primary

#6173BB

secondary

#CFC7A9

accent

#B858D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #6173BB

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

Preview Lab → · Contrast checker → · Palette generator →