#678FBB#678FBB

#678FBB is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.080 H 251.5°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#678FBB
RGB	rgb(103, 143, 187)
HSL	hsl(211, 38%, 57%)
HSV	hsv(211, 45%, 73%)
CMYK	cmyk(44.9%, 23.5%, 0%, 26.7%)
CIE-LAB	lab(58.15, -1.89, -27.24)
CIE-LCH	lch(58.15, 27.31, 266.02°)
OKLab	oklab(63.81% -0.0254 -0.0758)
OKLCH	oklch(63.81% 0.08 251.5)
XYZ	xyz(24.3826, 26.1148, 50.7599)
Luminance	0.2612 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678FBB #BB9367

analogous

#67B9BB #678FBB #6967BB

triadic

#678FBB #BB678F #8FBB67

tetradic

#678FBB #BB67B9 #BB9367 #67BB69

square

#678FBB #BB67B9 #BB9367 #67BB69

split-complementary

#678FBB #BB6967 #B9BB67

monochromatic

#345274 #47709E #678FBB #91AECE #BCCDE1

Accessibility & contrast

On white

3.37

#678FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#678FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FBB

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678FBB	#FFFFFF	#000000	##000000
##678FBB	1.00	3.37	6.22	6.22
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E90BD

Deuteranopia (green-blind)

#7388BA

Tritanopia (blue-blind)

#45999E

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #678fbb;
/* rgb */ color: rgb(103, 143, 187);
/* oklch */ color: oklch(63.8% 0.080 251.5);

Tailwind

colors: {
  custom: {
    50: '#96afcf',
    500: '#678fbb',
    950: '#000000',
  },
}

SCSS

$custom: #678fbb;
$custom-light: #96afcf;
$custom-dark: #000000;

JSON

{
  "hex": "#678fbb",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 187
  },
  "hsl": {
    "h": 211.429,
    "s": 38.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63807,
    "c": 0.07999,
    "h": 251.5
  },
  "luminance": 0.26116
}

Semantic roles & 50–950 ramp

primary

#678FBB

secondary

#D0C0AE

accent

#975ACE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #678FBB

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

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