#688BBB#688BBB

#688BBB is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.083 H 256.4°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#688BBB
RGB	rgb(104, 139, 187)
HSL	hsl(215, 38%, 57%)
HSV	hsv(215, 44%, 73%)
CMYK	cmyk(44.4%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(57.07, 0.67, -28.90)
CIE-LCH	lch(57.07, 28.91, 271.32°)
OKLab	oklab(62.98% -0.0194 -0.0806)
OKLCH	oklch(62.98% 0.083 256.4)
XYZ	xyz(23.9082, 24.9947, 50.5687)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BBB #BB9868

analogous

#68B5BB #688BBB #6F68BB

triadic

#688BBB #BB688B #8BBB68

tetradic

#688BBB #BB68B5 #BB9868 #68BB6F

square

#688BBB #BB68B5 #BB9868 #68BB6F

split-complementary

#688BBB #BB6F68 #B5BB68

monochromatic

#344F74 #476C9E #688BBB #92ABCE #BCCCE1

Accessibility & contrast

On white

3.50

#688BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#688BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BBB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BBB	#FFFFFF	#000000	##000000
##688BBB	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBD

Deuteranopia (green-blind)

#6F85BA

Tritanopia (blue-blind)

#48969C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #688bbb;
/* rgb */ color: rgb(104, 139, 187);
/* oklch */ color: oklch(63.0% 0.083 256.4);

Tailwind

colors: {
  custom: {
    50: '#97accf',
    500: '#688bbb',
    950: '#000000',
  },
}

SCSS

$custom: #688bbb;
$custom-light: #97accf;
$custom-dark: #000000;

JSON

{
  "hex": "#688bbb",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 214.699,
    "s": 37.9,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62978,
    "c": 0.08289,
    "h": 256.4
  },
  "luminance": 0.24996
}

Semantic roles & 50–950 ramp

primary

#688BBB

secondary

#D0C2AF

accent

#9D5ACE

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #688BBB

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

Preview Lab → · Contrast checker → · Palette generator →