#678EB5#678EB5

#678EB5 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.073 H 249.0°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#678EB5
RGB	rgb(103, 142, 181)
HSL	hsl(210, 35%, 56%)
HSV	hsv(210, 43%, 71%)
CMYK	cmyk(43.1%, 21.5%, 0%, 29%)
CIE-LAB	lab(57.62, -3.05, -24.64)
CIE-LCH	lch(57.62, 24.83, 262.94°)
OKLab	oklab(63.32% -0.0262 -0.0684)
OKLCH	oklch(63.32% 0.073 249)
XYZ	xyz(23.6042, 25.5643, 47.3977)
Luminance	0.2557 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678EB5 #B58E67

analogous

#67B5B5 #678EB5 #6767B5

triadic

#678EB5 #B5678E #8EB567

tetradic

#678EB5 #B567B5 #B58E67 #67B567

square

#678EB5 #B567B5 #B58E67 #67B567

split-complementary

#678EB5 #B56767 #B5B567

monochromatic

#35516D #496F96 #678EB5 #90ADC9 #B9CBDD

Accessibility & contrast

On white

3.44

#678EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#678EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678EB5

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678EB5	#FFFFFF	#000000	##000000
##678EB5	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8FB7

Deuteranopia (green-blind)

#7587B4

Tritanopia (blue-blind)

#49979B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #678eb5;
/* rgb */ color: rgb(103, 142, 181);
/* oklch */ color: oklch(63.3% 0.073 249.0);

Tailwind

colors: {
  custom: {
    50: '#96afcb',
    500: '#678eb5',
    950: '#000000',
  },
}

SCSS

$custom: #678eb5;
$custom-light: #96afcb;
$custom-dark: #000000;

JSON

{
  "hex": "#678eb5",
  "rgb": {
    "r": 103,
    "g": 142,
    "b": 181
  },
  "hsl": {
    "h": 210,
    "s": 34.513,
    "l": 55.686
  },
  "oklch": {
    "l": 0.63315,
    "c": 0.07326,
    "h": 249
  },
  "luminance": 0.25566
}

Semantic roles & 50–950 ramp

primary

#678EB5

secondary

#CCBCAC

accent

#945DCB

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #678EB5

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

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