#677EB2#677EB2

#677EB2 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.6% C 0.084 H 265.6°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#677EB2
RGB	rgb(103, 126, 178)
HSL	hsl(222, 33%, 55%)
HSV	hsv(222, 42%, 70%)
CMYK	cmyk(42.1%, 29.2%, 0%, 30.2%)
CIE-LAB	lab(52.97, 5.41, -30.12)
CIE-LCH	lch(52.97, 30.61, 280.18°)
OKLab	oklab(59.63% -0.0064 -0.0841)
OKLCH	oklch(59.63% 0.084 265.6)
XYZ	xyz(21.0877, 21.0185, 45.0567)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EB2 #B29B67

analogous

#67A3B2 #677EB2 #7567B2

triadic

#677EB2 #B2677E #7EB267

tetradic

#677EB2 #B267A3 #B29B67 #67B275

square

#677EB2 #B267A3 #B29B67 #67B275

split-complementary

#677EB2 #B27567 #A3B267

monochromatic

#354569 #4A6092 #677EB2 #90A0C7 #B8C3DB

Accessibility & contrast

On white

4.04

#677EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#677EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EB2

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EB2	#FFFFFF	#000000	##000000
##677EB2	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C82B4

Deuteranopia (green-blind)

#647BB1

Tritanopia (blue-blind)

#4D8990

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677eb2;
/* rgb */ color: rgb(103, 126, 178);
/* oklch */ color: oklch(59.6% 0.084 265.6);

Tailwind

colors: {
  custom: {
    50: '#95a3c9',
    500: '#677eb2',
    950: '#000000',
  },
}

SCSS

$custom: #677eb2;
$custom-light: #95a3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#677eb2",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 178
  },
  "hsl": {
    "h": 221.6,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59632,
    "c": 0.08438,
    "h": 265.6
  },
  "luminance": 0.2102
}

Semantic roles & 50–950 ramp

primary

#677EB2

secondary

#CAC0AB

accent

#A85FC9

background

#F9FAFC

surface

#F2F3F8

border

#CCCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #677EB2

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

Preview Lab → · Contrast checker → · Palette generator →