#659BB1#659BB1

#659BB1 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.0% C 0.066 H 225.7°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#659BB1
RGB	rgb(101, 155, 177)
HSL	hsl(197, 33%, 55%)
HSV	hsv(197, 43%, 69%)
CMYK	cmyk(42.9%, 12.4%, 0%, 30.6%)
CIE-LAB	lab(61.12, -11.95, -17.04)
CIE-LCH	lch(61.12, 20.82, 234.96°)
OKLab	oklab(66% -0.0459 -0.047)
OKLCH	oklch(66% 0.066 225.7)
XYZ	xyz(25.0212, 29.3820, 45.9393)
Luminance	0.2938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#659BB1 #B17B65

analogous

#65B1A1 #659BB1 #6575B1

triadic

#659BB1 #B1659B #9BB165

tetradic

#659BB1 #A165B1 #B17B65 #75B165

square

#659BB1 #A165B1 #B17B65 #75B165

split-complementary

#659BB1 #B16575 #B1A165

monochromatic

#345967 #497B90 #659BB1 #8EB5C6 #B6D0DA

Accessibility & contrast

On white

3.05

#659BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#659BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #659BB1

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##659BB1	#FFFFFF	#000000	##000000
##659BB1	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F98B2

Deuteranopia (green-blind)

#8490B1

Tritanopia (blue-blind)

#45A2A2

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #659bb1;
/* rgb */ color: rgb(101, 155, 177);
/* oklch */ color: oklch(66.0% 0.066 225.7);

Tailwind

colors: {
  custom: {
    50: '#94b8c8',
    500: '#659bb1',
    950: '#000000',
  },
}

SCSS

$custom: #659bb1;
$custom-light: #94b8c8;
$custom-dark: #000000;

JSON

{
  "hex": "#659bb1",
  "rgb": {
    "r": 101,
    "g": 155,
    "b": 177
  },
  "hsl": {
    "h": 197.368,
    "s": 32.759,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66003,
    "c": 0.0657,
    "h": 225.7
  },
  "luminance": 0.29384
}

Semantic roles & 50–950 ramp

primary

#659BB1

secondary

#C9B2A9

accent

#7E5FC9

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #659BB1

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

Preview Lab → · Contrast checker → · Palette generator →