#6477BB#6477BB

#6477BB is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.4% C 0.107 H 271.0°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#6477BB
RGB	rgb(100, 119, 187)
HSL	hsl(227, 39%, 56%)
HSV	hsv(227, 47%, 73%)
CMYK	cmyk(46.5%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(51.26, 11.51, -38.00)
CIE-LCH	lch(51.26, 39.71, 286.85°)
OKLab	oklab(58.39% 0.0018 -0.107)
OKLCH	oklch(58.39% 0.107 271)
XYZ	xyz(20.8192, 19.4896, 49.6689)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6477BB #BBA864

analogous

#64A3BB #6477BB #7D64BB

triadic

#6477BB #BB6477 #77BB64

tetradic

#6477BB #BB64A3 #BBA864 #64BB7D

square

#6477BB #BB64A3 #BBA864 #64BB7D

split-complementary

#6477BB #BB7D64 #A3BB64

monochromatic

#324072 #45589D #6477BB #8F9CCE #B9C2E0

Accessibility & contrast

On white

4.29

#6477BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#6477BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6477BB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6477BB	#FFFFFF	#000000	##000000
##6477BB	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBE

Deuteranopia (green-blind)

#5677B9

Tritanopia (blue-blind)

#448590

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6477bb;
/* rgb */ color: rgb(100, 119, 187);
/* oklch */ color: oklch(58.4% 0.107 271.0);

Tailwind

colors: {
  custom: {
    50: '#949ed0',
    500: '#6477bb',
    950: '#000000',
  },
}

SCSS

$custom: #6477bb;
$custom-light: #949ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#6477bb",
  "rgb": {
    "r": 100,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 226.897,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.5839,
    "c": 0.10702,
    "h": 271
  },
  "luminance": 0.19491
}

Semantic roles & 50–950 ramp

primary

#6477BB

secondary

#CFC7AB

accent

#B559CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #6477BB

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

Preview Lab → · Contrast checker → · Palette generator →