#677FBC#677FBC

#677FBC is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.3% C 0.098 H 267.1°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#677FBC
RGB	rgb(103, 127, 188)
HSL	hsl(223, 39%, 57%)
HSV	hsv(223, 45%, 74%)
CMYK	cmyk(45.2%, 32.4%, 0%, 26.3%)
CIE-LAB	lab(53.70, 7.76, -34.73)
CIE-LCH	lch(53.70, 35.58, 282.60°)
OKLab	oklab(60.35% -0.0049 -0.0974)
OKLCH	oklch(60.35% 0.098 267.1)
XYZ	xyz(22.2571, 21.6919, 50.5814)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FBC #BCA467

analogous

#67AABC #677FBC #7A67BC

triadic

#677FBC #BC677F #7FBC67

tetradic

#677FBC #BC67AA #BCA467 #67BC7A

square

#677FBC #BC67AA #BCA467 #67BC7A

split-complementary

#677FBC #BC7A67 #AABC67

monochromatic

#344675 #465F9F #677FBC #91A3CF #BCC7E1

Accessibility & contrast

On white

3.93

#677FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#677FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FBC

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FBC	#FFFFFF	#000000	##000000
##677FBC	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BF

Deuteranopia (green-blind)

#607DBB

Tritanopia (blue-blind)

#488C95

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677fbc;
/* rgb */ color: rgb(103, 127, 188);
/* oklch */ color: oklch(60.3% 0.098 267.1);

Tailwind

colors: {
  custom: {
    50: '#96a3d0',
    500: '#677fbc',
    950: '#000000',
  },
}

SCSS

$custom: #677fbc;
$custom-light: #96a3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#677fbc",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 188
  },
  "hsl": {
    "h": 223.059,
    "s": 38.813,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60347,
    "c": 0.09754,
    "h": 267.1
  },
  "luminance": 0.21693
}

Semantic roles & 50–950 ramp

primary

#677FBC

secondary

#D1C7AE

accent

#AE59CF

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0E0F14

muted

#7E7F82

Preview Lab

Preview with #677FBC

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

Preview Lab → · Contrast checker → · Palette generator →