#677CBB#677CBB

#677CBB is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.7% C 0.100 H 269.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#677CBB
RGB	rgb(103, 124, 187)
HSL	hsl(225, 38%, 57%)
HSV	hsv(225, 45%, 73%)
CMYK	cmyk(44.9%, 33.7%, 0%, 26.7%)
CIE-LAB	lab(52.82, 9.26, -35.52)
CIE-LCH	lch(52.82, 36.71, 284.61°)
OKLab	oklab(59.65% -0.0014 -0.0997)
OKLCH	oklch(59.65% 0.1 269.2)
XYZ	xyz(21.7680, 20.8855, 49.8884)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CBB #BBA667

analogous

#67A6BB #677CBB #7C67BB

triadic

#677CBB #BB677C #7CBB67

tetradic

#677CBB #BB67A6 #BBA667 #67BB7C

square

#677CBB #BB67A6 #BBA667 #67BB7C

split-complementary

#677CBB #BB7C67 #A6BB67

monochromatic

#344474 #475D9E #677CBB #91A0CE #BCC5E1

Accessibility & contrast

On white

4.06

#677CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#677CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CBB

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CBB	#FFFFFF	#000000	##000000
##677CBB	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BE

Deuteranopia (green-blind)

#5D7BBA

Tritanopia (blue-blind)

#498993

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677cbb;
/* rgb */ color: rgb(103, 124, 187);
/* oklch */ color: oklch(59.7% 0.100 269.2);

Tailwind

colors: {
  custom: {
    50: '#96a1cf',
    500: '#677cbb',
    950: '#000000',
  },
}

SCSS

$custom: #677cbb;
$custom-light: #96a1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#677cbb",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 187
  },
  "hsl": {
    "h": 225,
    "s": 38.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.59653,
    "c": 0.09975,
    "h": 269.2
  },
  "luminance": 0.20887
}

Semantic roles & 50–950 ramp

primary

#677CBB

secondary

#D0C7AE

accent

#B15ACE

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #677CBB

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

Preview Lab → · Contrast checker → · Palette generator →