#677CB2#677CB2

#677CB2 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.2% C 0.087 H 267.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#677CB2
RGB	rgb(103, 124, 178)
HSL	hsl(223, 33%, 55%)
HSV	hsv(223, 42%, 70%)
CMYK	cmyk(42.1%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(52.41, 6.60, -30.99)
CIE-LCH	lch(52.41, 31.69, 282.02°)
OKLab	oklab(59.2% -0.0038 -0.0866)
OKLCH	oklch(59.2% 0.087 267.5)
XYZ	xyz(20.8346, 20.5121, 44.9723)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CB2 #B29D67

analogous

#67A1B2 #677CB2 #7767B2

triadic

#677CB2 #B2677C #7CB267

tetradic

#677CB2 #B267A1 #B29D67 #67B277

square

#677CB2 #B267A1 #B29D67 #67B277

split-complementary

#677CB2 #B27767 #A1B267

monochromatic

#354469 #4A5E92 #677CB2 #909FC7 #B8C2DB

Accessibility & contrast

On white

4.12

#677CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#677CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CB2

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CB2	#FFFFFF	#000000	##000000
##677CB2	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B4

Deuteranopia (green-blind)

#627AB1

Tritanopia (blue-blind)

#4E878F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #677cb2;
/* rgb */ color: rgb(103, 124, 178);
/* oklch */ color: oklch(59.2% 0.087 267.5);

Tailwind

colors: {
  custom: {
    50: '#95a1c9',
    500: '#677cb2',
    950: '#000000',
  },
}

SCSS

$custom: #677cb2;
$custom-light: #95a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#677cb2",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 223.2,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59198,
    "c": 0.08672,
    "h": 267.5
  },
  "luminance": 0.20513
}

Semantic roles & 50–950 ramp

primary

#677CB2

secondary

#CAC1AB

accent

#AB5FC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #677CB2

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

Preview Lab → · Contrast checker → · Palette generator →