#688BB5#688BB5

#688BB5 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.7% C 0.075 H 253.4°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#688BB5
RGB	rgb(104, 139, 181)
HSL	hsl(213, 34%, 56%)
HSV	hsv(213, 43%, 71%)
CMYK	cmyk(42.5%, 23.2%, 0%, 29%)
CIE-LAB	lab(56.82, -1.06, -25.87)
CIE-LCH	lch(56.82, 25.89, 267.65°)
OKLab	oklab(62.7% -0.0214 -0.0719)
OKLCH	oklch(62.7% 0.075 253.4)
XYZ	xyz(23.2793, 24.7431, 47.2563)
Luminance	0.2474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BB5 #B59268

analogous

#68B1B5 #688BB5 #6B68B5

triadic

#688BB5 #B5688B #8BB568

tetradic

#688BB5 #B568B1 #B59268 #68B56B

square

#688BB5 #B568B1 #B59268 #68B56B

split-complementary

#688BB5 #B56B68 #B1B568

monochromatic

#354F6D #4A6C96 #688BB5 #91ABC9 #BACADD

Accessibility & contrast

On white

3.53

#688BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#688BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BB5

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BB5	#FFFFFF	#000000	##000000
##688BB5	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB7

Deuteranopia (green-blind)

#7285B4

Tritanopia (blue-blind)

#4C9499

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #688bb5;
/* rgb */ color: rgb(104, 139, 181);
/* oklch */ color: oklch(62.7% 0.075 253.4);

Tailwind

colors: {
  custom: {
    50: '#96accb',
    500: '#688bb5',
    950: '#000000',
  },
}

SCSS

$custom: #688bb5;
$custom-light: #96accb;
$custom-dark: #000000;

JSON

{
  "hex": "#688bb5",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 181
  },
  "hsl": {
    "h": 212.727,
    "s": 34.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62704,
    "c": 0.075,
    "h": 253.4
  },
  "luminance": 0.24744
}

Semantic roles & 50–950 ramp

primary

#688BB5

secondary

#CCBEAC

accent

#995DCA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #688BB5

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

Preview Lab → · Contrast checker → · Palette generator →