#687DDD#687DDD

#687DDD is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.8% C 0.147 H 272.2°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#687DDD
RGB	rgb(104, 125, 221)
HSL	hsl(229, 63%, 64%)
HSV	hsv(229, 53%, 87%)
CMYK	cmyk(52.9%, 43.4%, 0%, 13.3%)
CIE-LAB	lab(54.90, 19.36, -51.54)
CIE-LCH	lch(54.90, 55.06, 290.59°)
OKLab	oklab(61.83% 0.0056 -0.1465)
OKLCH	oklch(61.83% 0.147 272.2)
XYZ	xyz(26.0895, 22.8290, 71.4242)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687DDD #DDC868

analogous

#68B7DD #687DDD #8D68DD

triadic

#687DDD #DD687D #7DDD68

tetradic

#687DDD #DD68B7 #DDC868 #68DD8D

square

#687DDD #DD68B7 #DDC868 #68DD8D

split-complementary

#687DDD #DD8D68 #B7DD68

monochromatic

#253CA5 #3652D2 #687DDD #9AA8E8 #CCD3F3

Accessibility & contrast

On white

3.77

#687DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#687DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687DDD

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687DDD	#FFFFFF	#000000	##000000
##687DDD	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5489E1

Deuteranopia (green-blind)

#477FDB

Tritanopia (blue-blind)

#2F92A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #687ddd;
/* rgb */ color: rgb(104, 125, 221);
/* oklch */ color: oklch(61.8% 0.147 272.2);

Tailwind

colors: {
  custom: {
    50: '#9ba2e8',
    500: '#687ddd',
    950: '#000000',
  },
}

SCSS

$custom: #687ddd;
$custom-light: #9ba2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#687ddd",
  "rgb": {
    "r": 104,
    "g": 125,
    "b": 221
  },
  "hsl": {
    "h": 229.231,
    "s": 63.243,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61832,
    "c": 0.14658,
    "h": 272.2
  },
  "luminance": 0.22831
}

Semantic roles & 50–950 ramp

primary

#687DDD

secondary

#E5DEBC

accent

#AB1ACB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #687DDD

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

Preview Lab → · Contrast checker → · Palette generator →