#677BB0#677BB0

#677BB0 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.085 H 267.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#677BB0
RGB	rgb(103, 123, 176)
HSL	hsl(224, 32%, 55%)
HSV	hsv(224, 41%, 69%)
CMYK	cmyk(41.5%, 30.1%, 0%, 31%)
CIE-LAB	lab(52.04, 6.61, -30.41)
CIE-LCH	lch(52.04, 31.12, 282.27°)
OKLab	oklab(58.88% -0.0031 -0.085)
OKLCH	oklch(58.88% 0.085 267.9)
XYZ	xyz(20.5105, 20.1830, 43.8809)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BB0 #B09C67

analogous

#679FB0 #677BB0 #7867B0

triadic

#677BB0 #B0677B #7BB067

tetradic

#677BB0 #B0679F #B09C67 #67B078

square

#677BB0 #B0679F #B09C67 #67B078

split-complementary

#677BB0 #B07867 #9FB067

monochromatic

#364367 #4A5D8F #677BB0 #8F9EC5 #B8C1DA

Accessibility & contrast

On white

4.17

#677BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#677BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BB0

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BB0	#FFFFFF	#000000	##000000
##677BB0	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6980B2

Deuteranopia (green-blind)

#6279AF

Tritanopia (blue-blind)

#4F868E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677bb0;
/* rgb */ color: rgb(103, 123, 176);
/* oklch */ color: oklch(58.9% 0.085 267.9);

Tailwind

colors: {
  custom: {
    50: '#95a1c8',
    500: '#677bb0',
    950: '#000000',
  },
}

SCSS

$custom: #677bb0;
$custom-light: #95a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#677bb0",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 176
  },
  "hsl": {
    "h": 223.562,
    "s": 31.602,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58882,
    "c": 0.08502,
    "h": 267.9
  },
  "luminance": 0.20184
}

Semantic roles & 50–950 ramp

primary

#677BB0

secondary

#C9C0AA

accent

#AB60C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #677BB0

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

Preview Lab → · Contrast checker → · Palette generator →