#6689CC#6689CC

#6689CC is a light, moderate blue. Relative luminance 0.251; OKLCH L 63.3% C 0.109 H 262.6°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#6689CC
RGB	rgb(102, 137, 204)
HSL	hsl(219, 50%, 60%)
HSV	hsv(219, 50%, 80%)
CMYK	cmyk(50%, 32.8%, 0%, 20%)
CIE-LAB	lab(57.15, 6.43, -38.42)
CIE-LCH	lch(57.15, 38.95, 279.51°)
OKLab	oklab(63.26% -0.014 -0.1081)
OKLCH	oklch(63.26% 0.109 262.6)
XYZ	xyz(25.3206, 25.0740, 60.6205)
Luminance	0.2508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6689CC #CCA966

analogous

#66BCCC #6689CC #7666CC

triadic

#6689CC #CC6689 #89CC66

tetradic

#6689CC #CC66BC #CCA966 #66CC76

square

#6689CC #CC66BC #CCA966 #66CC76

split-complementary

#6689CC #CC7666 #BCCC66

monochromatic

#2E4D8A #3D67B8 #6689CC #94ACDB #C2D0EB

Accessibility & contrast

On white

3.49

#6689CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#6689CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6689CC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6689CC	#FFFFFF	#000000	##000000
##6689CC	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)

#6F8ECF

Deuteranopia (green-blind)

#6485CB

Tritanopia (blue-blind)

#3897A1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #6689cc;
/* rgb */ color: rgb(102, 137, 204);
/* oklch */ color: oklch(63.3% 0.109 262.6);

Tailwind

colors: {
  custom: {
    50: '#97abdc',
    500: '#6689cc',
    950: '#000000',
  },
}

SCSS

$custom: #6689cc;
$custom-light: #97abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#6689cc",
  "rgb": {
    "r": 102,
    "g": 137,
    "b": 204
  },
  "hsl": {
    "h": 219.412,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.63255,
    "c": 0.10899,
    "h": 262.6
  },
  "luminance": 0.25076
}

Semantic roles & 50–950 ramp

primary

#6689CC

secondary

#DBCDB3

accent

#AA4EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6689CC

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

Preview Lab → · Contrast checker → · Palette generator →