#678DBB#678DBB

#678DBB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.4% C 0.082 H 253.7°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#678DBB
RGB	rgb(103, 141, 187)
HSL	hsl(213, 38%, 57%)
HSV	hsv(213, 45%, 73%)
CMYK	cmyk(44.9%, 24.6%, 0%, 26.7%)
CIE-LAB	lab(57.58, -0.74, -28.12)
CIE-LCH	lch(57.58, 28.13, 268.48°)
OKLab	oklab(63.36% -0.0229 -0.0783)
OKLCH	oklch(63.36% 0.082 253.7)
XYZ	xyz(24.0851, 25.5196, 50.6607)
Luminance	0.2552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DBB #BB9567

analogous

#67B7BB #678DBB #6B67BB

triadic

#678DBB #BB678D #8DBB67

tetradic

#678DBB #BB67B7 #BB9567 #67BB6B

square

#678DBB #BB67B7 #BB9567 #67BB6B

split-complementary

#678DBB #BB6B67 #B7BB67

monochromatic

#345174 #476E9E #678DBB #91ADCE #BCCCE1

Accessibility & contrast

On white

3.44

#678DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#678DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DBB

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DBB	#FFFFFF	#000000	##000000
##678DBB	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBD

Deuteranopia (green-blind)

#7187BA

Tritanopia (blue-blind)

#46979D

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #678dbb;
/* rgb */ color: rgb(103, 141, 187);
/* oklch */ color: oklch(63.4% 0.082 253.7);

Tailwind

colors: {
  custom: {
    50: '#96aecf',
    500: '#678dbb',
    950: '#000000',
  },
}

SCSS

$custom: #678dbb;
$custom-light: #96aecf;
$custom-dark: #000000;

JSON

{
  "hex": "#678dbb",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 187
  },
  "hsl": {
    "h": 212.857,
    "s": 38.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63361,
    "c": 0.08164,
    "h": 253.7
  },
  "luminance": 0.25521
}

Semantic roles & 50–950 ramp

primary

#678DBB

secondary

#D0C1AE

accent

#995ACE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #678DBB

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

Preview Lab → · Contrast checker → · Palette generator →