#677CB0#677CB0

#677CB0 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.1% C 0.084 H 267.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#677CB0
RGB	rgb(103, 124, 176)
HSL	hsl(223, 32%, 55%)
HSV	hsv(223, 41%, 69%)
CMYK	cmyk(41.5%, 29.5%, 0%, 31%)
CIE-LAB	lab(52.32, 6.02, -29.98)
CIE-LCH	lch(52.32, 30.58, 281.35°)
OKLab	oklab(59.1% -0.0044 -0.0837)
OKLCH	oklch(59.1% 0.084 267)
XYZ	xyz(20.6352, 20.4324, 43.9224)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CB0 #B09B67

analogous

#67A1B0 #677CB0 #7767B0

triadic

#677CB0 #B0677C #7CB067

tetradic

#677CB0 #B067A1 #B09B67 #67B077

square

#677CB0 #B067A1 #B09B67 #67B077

split-complementary

#677CB0 #B07767 #A1B067

monochromatic

#364467 #4A5E8F #677CB0 #8F9FC5 #B8C1DA

Accessibility & contrast

On white

4.13

#677CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#677CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CB0

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CB0	#FFFFFF	#000000	##000000
##677CB0	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B2

Deuteranopia (green-blind)

#637AAF

Tritanopia (blue-blind)

#4F878E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #677cb0;
/* rgb */ color: rgb(103, 124, 176);
/* oklch */ color: oklch(59.1% 0.084 267.0);

Tailwind

colors: {
  custom: {
    50: '#95a1c7',
    500: '#677cb0',
    950: '#000000',
  },
}

SCSS

$custom: #677cb0;
$custom-light: #95a1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#677cb0",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 176
  },
  "hsl": {
    "h": 222.74,
    "s": 31.602,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59099,
    "c": 0.08383,
    "h": 267
  },
  "luminance": 0.20433
}

Semantic roles & 50–950 ramp

primary

#677CB0

secondary

#C9C0AA

accent

#AA60C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #677CB0

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

Preview Lab → · Contrast checker → · Palette generator →