#677BB1#677BB1

#677BB1 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.086 H 268.1°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#677BB1
RGB	rgb(103, 123, 177)
HSL	hsl(224, 32%, 55%)
HSV	hsv(224, 42%, 69%)
CMYK	cmyk(41.8%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(52.09, 6.90, -30.92)
CIE-LCH	lch(52.09, 31.68, 282.59°)
OKLab	oklab(58.93% -0.0028 -0.0864)
OKLCH	oklch(58.93% 0.086 268.1)
XYZ	xyz(20.6098, 20.2227, 44.4039)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BB1 #B19D67

analogous

#67A0B1 #677BB1 #7867B1

triadic

#677BB1 #B1677B #7BB167

tetradic

#677BB1 #B167A0 #B19D67 #67B178

square

#677BB1 #B167A0 #B19D67 #67B178

split-complementary

#677BB1 #B17867 #A0B167

monochromatic

#354368 #4A5D91 #677BB1 #8F9EC6 #B8C1DB

Accessibility & contrast

On white

4.16

#677BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#677BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BB1

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BB1	#FFFFFF	#000000	##000000
##677BB1	1.00	4.16	5.04	5.04
#FFFFFF	4.16	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)

#6880B3

Deuteranopia (green-blind)

#6179B0

Tritanopia (blue-blind)

#4E868E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677bb1;
/* rgb */ color: rgb(103, 123, 177);
/* oklch */ color: oklch(58.9% 0.086 268.1);

Tailwind

colors: {
  custom: {
    50: '#95a1c8',
    500: '#677bb1',
    950: '#000000',
  },
}

SCSS

$custom: #677bb1;
$custom-light: #95a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#677bb1",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 223.784,
    "s": 32.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58932,
    "c": 0.08648,
    "h": 268.1
  },
  "luminance": 0.20224
}

Semantic roles & 50–950 ramp

primary

#677BB1

secondary

#C9C1AA

accent

#AC5FC8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #677BB1

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

Preview Lab → · Contrast checker → · Palette generator →