#677DBB#677DBB

#677DBB is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.9% C 0.099 H 268.5°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#677DBB
RGB	rgb(103, 125, 187)
HSL	hsl(224, 38%, 57%)
HSV	hsv(224, 45%, 73%)
CMYK	cmyk(44.9%, 33.2%, 0%, 26.7%)
CIE-LAB	lab(53.10, 8.66, -35.09)
CIE-LCH	lch(53.10, 36.14, 283.86°)
OKLab	oklab(59.87% -0.0026 -0.0985)
OKLCH	oklch(59.87% 0.099 268.5)
XYZ	xyz(21.8939, 21.1374, 49.9304)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677DBB #BBA567

analogous

#67A7BB #677DBB #7B67BB

triadic

#677DBB #BB677D #7DBB67

tetradic

#677DBB #BB67A7 #BBA567 #67BB7B

square

#677DBB #BB67A7 #BBA567 #67BB7B

split-complementary

#677DBB #BB7B67 #A7BB67

monochromatic

#344574 #475E9E #677DBB #91A1CE #BCC5E1

Accessibility & contrast

On white

4.02

#677DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#677DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677DBB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677DBB	#FFFFFF	#000000	##000000
##677DBB	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BE

Deuteranopia (green-blind)

#5E7BBA

Tritanopia (blue-blind)

#488A93

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #677dbb;
/* rgb */ color: rgb(103, 125, 187);
/* oklch */ color: oklch(59.9% 0.099 268.5);

Tailwind

colors: {
  custom: {
    50: '#96a2cf',
    500: '#677dbb',
    950: '#000000',
  },
}

SCSS

$custom: #677dbb;
$custom-light: #96a2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#677dbb",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 187
  },
  "hsl": {
    "h": 224.286,
    "s": 38.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.59867,
    "c": 0.09852,
    "h": 268.5
  },
  "luminance": 0.21139
}

Semantic roles & 50–950 ramp

primary

#677DBB

secondary

#D0C7AE

accent

#B05ACE

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #677DBB

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

Preview Lab → · Contrast checker → · Palette generator →