#677BB3#677BB3

#677BB3 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.0% C 0.089 H 268.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#677BB3
RGB	rgb(103, 123, 179)
HSL	hsl(224, 33%, 55%)
HSV	hsv(224, 42%, 70%)
CMYK	cmyk(42.5%, 31.3%, 0%, 29.8%)
CIE-LAB	lab(52.18, 7.49, -31.93)
CIE-LCH	lch(52.18, 32.80, 283.20°)
OKLab	oklab(59.03% -0.0022 -0.0893)
OKLCH	oklch(59.03% 0.089 268.6)
XYZ	xyz(20.8106, 20.3031, 45.4614)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BB3 #B39F67

analogous

#67A1B3 #677BB3 #7967B3

triadic

#677BB3 #B3677B #7BB367

tetradic

#677BB3 #B367A1 #B39F67 #67B379

square

#677BB3 #B367A1 #B39F67 #67B379

split-complementary

#677BB3 #B37967 #A1B367

monochromatic

#35436A #4A5D93 #677BB3 #909EC7 #B9C2DC

Accessibility & contrast

On white

4.15

#677BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#677BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BB3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BB3	#FFFFFF	#000000	##000000
##677BB3	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B5

Deuteranopia (green-blind)

#6079B2

Tritanopia (blue-blind)

#4D868F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677bb3;
/* rgb */ color: rgb(103, 123, 179);
/* oklch */ color: oklch(59.0% 0.089 268.6);

Tailwind

colors: {
  custom: {
    50: '#95a1ca',
    500: '#677bb3',
    950: '#000000',
  },
}

SCSS

$custom: #677bb3;
$custom-light: #95a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#677bb3",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 179
  },
  "hsl": {
    "h": 224.211,
    "s": 33.333,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59031,
    "c": 0.08938,
    "h": 268.6
  },
  "luminance": 0.20304
}

Semantic roles & 50–950 ramp

primary

#677BB3

secondary

#CBC2AB

accent

#AD5EC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0E0E13

muted

#7E7E82

Preview Lab

Preview with #677BB3

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

Preview Lab → · Contrast checker → · Palette generator →