#677DB5#677DB5

#677DB5 is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.6% C 0.090 H 267.3°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#677DB5
RGB	rgb(103, 125, 181)
HSL	hsl(223, 35%, 56%)
HSV	hsv(223, 43%, 71%)
CMYK	cmyk(43.1%, 30.9%, 0%, 29%)
CIE-LAB	lab(52.82, 6.88, -32.08)
CIE-LCH	lch(52.82, 32.81, 282.11°)
OKLab	oklab(59.56% -0.0043 -0.0898)
OKLCH	oklch(59.56% 0.09 267.3)
XYZ	xyz(21.2650, 20.8858, 46.6180)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DB5 #B59F67

analogous

#67A4B5 #677DB5 #7867B5

triadic

#677DB5 #B5677D #7DB567

tetradic

#677DB5 #B567A4 #B59F67 #67B578

square

#677DB5 #B567A4 #B59F67 #67B578

split-complementary

#677DB5 #B57867 #A4B567

monochromatic

#35456D #495F96 #677DB5 #90A0C9 #B9C3DD

Accessibility & contrast

On white

4.06

#677DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#677DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DB5

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DB5	#FFFFFF	#000000	##000000
##677DB5	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)

#6982B7

Deuteranopia (green-blind)

#627BB4

Tritanopia (blue-blind)

#4C8991

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677db5;
/* rgb */ color: rgb(103, 125, 181);
/* oklch */ color: oklch(59.6% 0.090 267.3);

Tailwind

colors: {
  custom: {
    50: '#96a2cb',
    500: '#677db5',
    950: '#000000',
  },
}

SCSS

$custom: #677db5;
$custom-light: #96a2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#677db5",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 223.077,
    "s": 34.513,
    "l": 55.686
  },
  "oklch": {
    "l": 0.59563,
    "c": 0.08986,
    "h": 267.3
  },
  "luminance": 0.20887
}

Semantic roles & 50–950 ramp

primary

#677DB5

secondary

#CCC3AC

accent

#AC5DCB

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0E0F13

muted

#7E7E82

Preview Lab

Preview with #677DB5

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

Preview Lab → · Contrast checker → · Palette generator →