#688BBD#688BBD

#688BBD is a light, moderate blue. Relative luminance 0.251; OKLCH L 63.1% C 0.086 H 257.3°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#688BBD
RGB	rgb(104, 139, 189)
HSL	hsl(215, 39%, 57%)
HSV	hsv(215, 45%, 74%)
CMYK	cmyk(45%, 26.5%, 0%, 25.9%)
CIE-LAB	lab(57.15, 1.25, -29.91)
CIE-LCH	lch(57.15, 29.93, 272.40°)
OKLab	oklab(63.07% -0.0188 -0.0835)
OKLCH	oklch(63.07% 0.086 257.3)
XYZ	xyz(24.1238, 25.0809, 51.7042)
Luminance	0.2508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BBD #BD9A68

analogous

#68B6BD #688BBD #6F68BD

triadic

#688BBD #BD688B #8BBD68

tetradic

#688BBD #BD68B6 #BD9A68 #68BD6F

square

#688BBD #BD68B6 #BD9A68 #68BD6F

split-complementary

#688BBD #BD6F68 #B6BD68

monochromatic

#344F77 #476CA1 #688BBD #93ACD0 #BDCCE2

Accessibility & contrast

On white

3.49

#688BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#688BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BBD

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BBD	#FFFFFF	#000000	##000000
##688BBD	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788EBF

Deuteranopia (green-blind)

#6E86BC

Tritanopia (blue-blind)

#47969C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #688bbd;
/* rgb */ color: rgb(104, 139, 189);
/* oklch */ color: oklch(63.1% 0.086 257.3);

Tailwind

colors: {
  custom: {
    50: '#97acd1',
    500: '#688bbd',
    950: '#000000',
  },
}

SCSS

$custom: #688bbd;
$custom-light: #97acd1;
$custom-dark: #000000;

JSON

{
  "hex": "#688bbd",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 215.294,
    "s": 39.171,
    "l": 57.451
  },
  "oklch": {
    "l": 0.63072,
    "c": 0.08556,
    "h": 257.3
  },
  "luminance": 0.25082
}

Semantic roles & 50–950 ramp

primary

#688BBD

secondary

#D2C3AF

accent

#9E59CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #688BBD

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

Preview Lab → · Contrast checker → · Palette generator →