#677EB3#677EB3

#677EB3 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.7% C 0.086 H 265.9°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#677EB3
RGB	rgb(103, 126, 179)
HSL	hsl(222, 33%, 55%)
HSV	hsv(222, 42%, 70%)
CMYK	cmyk(42.5%, 29.6%, 0%, 29.8%)
CIE-LAB	lab(53.01, 5.70, -30.63)
CIE-LCH	lch(53.01, 31.16, 280.54°)
OKLab	oklab(59.68% -0.0062 -0.0856)
OKLCH	oklch(59.68% 0.086 265.9)
XYZ	xyz(21.1885, 21.0588, 45.5874)
Luminance	0.2106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EB3 #B39C67

analogous

#67A4B3 #677EB3 #7667B3

triadic

#677EB3 #B3677E #7EB367

tetradic

#677EB3 #B367A4 #B39C67 #67B376

square

#677EB3 #B367A4 #B39C67 #67B376

split-complementary

#677EB3 #B37667 #A4B367

monochromatic

#35456A #4A6093 #677EB3 #90A1C7 #B9C3DC

Accessibility & contrast

On white

4.03

#677EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#677EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EB3

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EB3	#FFFFFF	#000000	##000000
##677EB3	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B5

Deuteranopia (green-blind)

#647BB2

Tritanopia (blue-blind)

#4D8991

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677eb3;
/* rgb */ color: rgb(103, 126, 179);
/* oklch */ color: oklch(59.7% 0.086 265.9);

Tailwind

colors: {
  custom: {
    50: '#95a3ca',
    500: '#677eb3',
    950: '#000000',
  },
}

SCSS

$custom: #677eb3;
$custom-light: #95a3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#677eb3",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 179
  },
  "hsl": {
    "h": 221.842,
    "s": 33.333,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59681,
    "c": 0.08581,
    "h": 265.9
  },
  "luminance": 0.2106
}

Semantic roles & 50–950 ramp

primary

#677EB3

secondary

#CBC1AB

accent

#A95EC9

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #677EB3

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

Preview Lab → · Contrast checker → · Palette generator →