#687ECB#687ECB

#687ECB is a mid, moderate blue. Relative luminance 0.222; OKLCH L 61.0% C 0.120 H 270.5°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#687ECB
RGB	rgb(104, 126, 203)
HSL	hsl(227, 49%, 60%)
HSV	hsv(227, 49%, 80%)
CMYK	cmyk(48.8%, 37.9%, 0%, 20.4%)
CIE-LAB	lab(54.21, 13.15, -42.46)
CIE-LCH	lch(54.21, 44.45, 287.21°)
OKLab	oklab(61% 0.001 -0.1199)
OKLCH	oklch(61% 0.12 270.5)
XYZ	xyz(23.9458, 22.1751, 59.5068)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687ECB #CBB568

analogous

#68AFCB #687ECB #8468CB

triadic

#687ECB #CB687E #7ECB68

tetradic

#687ECB #CB68AF #CBB568 #68CB84

square

#687ECB #CB68AF #CBB568 #68CB84

split-complementary

#687ECB #CB8468 #AFCB68

monochromatic

#2F4389 #3F5AB7 #687ECB #96A5DB #C3CCEA

Accessibility & contrast

On white

3.86

#687ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#687ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687ECB

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687ECB	#FFFFFF	#000000	##000000
##687ECB	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CE

Deuteranopia (green-blind)

#577EC9

Tritanopia (blue-blind)

#408E9B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #687ecb;
/* rgb */ color: rgb(104, 126, 203);
/* oklch */ color: oklch(61.0% 0.120 270.5);

Tailwind

colors: {
  custom: {
    50: '#98a3db',
    500: '#687ecb',
    950: '#000000',
  },
}

SCSS

$custom: #687ecb;
$custom-light: #98a3db;
$custom-dark: #000000;

JSON

{
  "hex": "#687ecb",
  "rgb": {
    "r": 104,
    "g": 126,
    "b": 203
  },
  "hsl": {
    "h": 226.667,
    "s": 48.768,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60998,
    "c": 0.11989,
    "h": 270.5
  },
  "luminance": 0.22177
}

Semantic roles & 50–950 ramp

primary

#687ECB

secondary

#DAD2B4

accent

#9B29BC

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #687ECB

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

Preview Lab → · Contrast checker → · Palette generator →