#687DB2#687DB2

#687DB2 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.5% C 0.085 H 267.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#687DB2
RGB	rgb(104, 125, 178)
HSL	hsl(223, 32%, 55%)
HSV	hsv(223, 42%, 70%)
CMYK	cmyk(41.6%, 29.8%, 0%, 30.2%)
CIE-LAB	lab(52.76, 6.27, -30.45)
CIE-LCH	lch(52.76, 31.09, 281.64°)
OKLab	oklab(59.48% -0.0041 -0.0851)
OKLCH	oklch(59.48% 0.085 267.2)
XYZ	xyz(21.0759, 20.8236, 45.0197)
Luminance	0.2082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#687DB2 #B29D68

analogous

#68A2B2 #687DB2 #7868B2

triadic

#687DB2 #B2687D #7DB268

tetradic

#687DB2 #B268A2 #B29D68 #68B278

square

#687DB2 #B268A2 #B29D68 #68B278

split-complementary

#687DB2 #B27868 #A2B268

monochromatic

#36456A #4B5F92 #687DB2 #91A0C7 #B9C3DB

Accessibility & contrast

On white

4.07

#687DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#687DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #687DB2

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##687DB2	#FFFFFF	#000000	##000000
##687DB2	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B81B4

Deuteranopia (green-blind)

#637BB1

Tritanopia (blue-blind)

#4F8890

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #687db2;
/* rgb */ color: rgb(104, 125, 178);
/* oklch */ color: oklch(59.5% 0.085 267.2);

Tailwind

colors: {
  custom: {
    50: '#96a2c9',
    500: '#687db2',
    950: '#000000',
  },
}

SCSS

$custom: #687db2;
$custom-light: #96a2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#687db2",
  "rgb": {
    "r": 104,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 222.973,
    "s": 32.456,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59483,
    "c": 0.08516,
    "h": 267.2
  },
  "luminance": 0.20825
}

Semantic roles & 50–950 ramp

primary

#687DB2

secondary

#CAC2AB

accent

#AB5FC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0E0F13

muted

#7E7E82

Preview Lab

Preview with #687DB2

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

Preview Lab → · Contrast checker → · Palette generator →