#687FFB#687FFB

#687FFB is a light, vivid blue. Relative luminance 0.251; OKLCH L 64.1% C 0.185 H 272.3°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#687FFB
RGB	rgb(104, 127, 251)
HSL	hsl(231, 95%, 70%)
HSV	hsv(231, 59%, 98%)
CMYK	cmyk(58.6%, 49.4%, 0%, 1.6%)
CIE-LAB	lab(57.16, 27.74, -64.62)
CIE-LCH	lch(57.16, 70.33, 293.24°)
OKLab	oklab(64.11% 0.0073 -0.1849)
OKLCH	oklch(64.11% 0.185 272.3)
XYZ	xyz(30.7051, 25.0844, 94.4718)
Luminance	0.2509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687FFB #FBE468

analogous

#68C9FB #687FFB #9A68FB

triadic

#687FFB #FB687F #7FFB68

tetradic

#687FFB #FB68C9 #FBE468 #68FB9A

square

#687FFB #FB68C9 #FBE468 #68FB9A

split-complementary

#687FFB #FB9A68 #C9FB68

monochromatic

#0629E3 #2C4CF9 #687FFB #A4B2FD #DFE4FE

Accessibility & contrast

On white

3.49

#687FFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#687FFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687FFB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687FFB	#FFFFFF	#000000	##000000
##687FFB	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)

#3D90FF

Deuteranopia (green-blind)

#1F83F8

Tritanopia (blue-blind)

#009BB1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #687ffb;
/* rgb */ color: rgb(104, 127, 251);
/* oklch */ color: oklch(64.1% 0.185 272.3);

Tailwind

colors: {
  custom: {
    50: '#9fa3fd',
    500: '#687ffb',
    950: '#000000',
  },
}

SCSS

$custom: #687ffb;
$custom-light: #9fa3fd;
$custom-dark: #000000;

JSON

{
  "hex": "#687ffb",
  "rgb": {
    "r": 104,
    "g": 127,
    "b": 251
  },
  "hsl": {
    "h": 230.612,
    "s": 94.839,
    "l": 69.608
  },
  "oklch": {
    "l": 0.64115,
    "c": 0.18501,
    "h": 272.3
  },
  "luminance": 0.25087
}

Semantic roles & 50–950 ramp

primary

#687FFB

secondary

#F4EECA

accent

#C200E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #687FFB

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

Preview Lab → · Contrast checker → · Palette generator →