#687CDB#687CDB

#687CDB is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.5% C 0.145 H 272.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#687CDB
RGB	rgb(104, 124, 219)
HSL	hsl(230, 61%, 63%)
HSV	hsv(230, 53%, 86%)
CMYK	cmyk(52.5%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(54.52, 19.34, -51.01)
CIE-LCH	lch(54.52, 54.55, 290.76°)
OKLab	oklab(61.51% 0.0064 -0.1449)
OKLCH	oklch(61.51% 0.145 272.5)
XYZ	xyz(25.6986, 22.4711, 69.9873)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687CDB #DBC768

analogous

#68B5DB #687CDB #8D68DB

triadic

#687CDB #DB687C #7CDB68

tetradic

#687CDB #DB68B5 #DBC768 #68DB8D

square

#687CDB #DB68B5 #DBC768 #68DB8D

split-complementary

#687CDB #DB8D68 #B5DB68

monochromatic

#273CA2 #3751CF #687CDB #99A7E7 #CBD2F3

Accessibility & contrast

On white

3.82

#687CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#687CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687CDB

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687CDB	#FFFFFF	#000000	##000000
##687CDB	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5488DF

Deuteranopia (green-blind)

#477ED9

Tritanopia (blue-blind)

#3291A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #687cdb;
/* rgb */ color: rgb(104, 124, 219);
/* oklch */ color: oklch(61.5% 0.145 272.5);

Tailwind

colors: {
  custom: {
    50: '#9aa1e7',
    500: '#687cdb',
    950: '#000000',
  },
}

SCSS

$custom: #687cdb;
$custom-light: #9aa1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#687cdb",
  "rgb": {
    "r": 104,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 229.565,
    "s": 61.497,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61511,
    "c": 0.14506,
    "h": 272.5
  },
  "luminance": 0.22473
}

Semantic roles & 50–950 ramp

primary

#687CDB

secondary

#E4DDBB

accent

#AB1CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #687CDB

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

Preview Lab → · Contrast checker → · Palette generator →