#677CBC#677CBC

#677CBC is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.7% C 0.101 H 269.4°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#677CBC
RGB	rgb(103, 124, 188)
HSL	hsl(225, 39%, 57%)
HSV	hsv(225, 45%, 74%)
CMYK	cmyk(45.2%, 34%, 0%, 26.3%)
CIE-LAB	lab(52.87, 9.56, -36.02)
CIE-LCH	lch(52.87, 37.27, 284.86°)
OKLab	oklab(59.71% -0.0011 -0.1012)
OKLCH	oklch(59.71% 0.101 269.4)
XYZ	xyz(21.8754, 20.9285, 50.4541)
Luminance	0.2093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CBC #BCA767

analogous

#67A7BC #677CBC #7C67BC

triadic

#677CBC #BC677C #7CBC67

tetradic

#677CBC #BC67A7 #BCA767 #67BC7C

square

#677CBC #BC67A7 #BCA767 #67BC7C

split-complementary

#677CBC #BC7C67 #A7BC67

monochromatic

#344475 #465C9F #677CBC #91A1CF #BCC5E1

Accessibility & contrast

On white

4.05

#677CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#677CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CBC

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CBC	#FFFFFF	#000000	##000000
##677CBC	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BF

Deuteranopia (green-blind)

#5D7BBB

Tritanopia (blue-blind)

#488993

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #677cbc;
/* rgb */ color: rgb(103, 124, 188);
/* oklch */ color: oklch(59.7% 0.101 269.4);

Tailwind

colors: {
  custom: {
    50: '#96a1d0',
    500: '#677cbc',
    950: '#000000',
  },
}

SCSS

$custom: #677cbc;
$custom-light: #96a1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#677cbc",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 225.176,
    "s": 38.813,
    "l": 57.059
  },
  "oklch": {
    "l": 0.59705,
    "c": 0.1012,
    "h": 269.4
  },
  "luminance": 0.2093
}

Semantic roles & 50–950 ramp

primary

#677CBC

secondary

#D1C8AE

accent

#B259CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #677CBC

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

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