#1B668F#1B668F

#1B668F is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.6% C 0.096 H 238.1°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B668F
RGB	rgb(27, 102, 143)
HSL	hsl(201, 68%, 33%)
HSV	hsv(201, 81%, 56%)
CMYK	cmyk(81.1%, 28.7%, 0%, 43.9%)
CIE-LAB	lab(40.76, -7.38, -28.87)
CIE-LCH	lch(40.76, 29.80, 255.66°)
OKLab	oklab(48.58% -0.0508 -0.0816)
OKLCH	oklch(48.58% 0.096 238.1)
XYZ	xyz(10.1593, 11.7177, 27.7076)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B668F #8F441B

analogous

#1B8F7E #1B668F #1B2C8F

triadic

#1B668F #8F1B66 #668F1B

tetradic

#1B668F #7E1B8F #8F441B #2C8F1B

square

#1B668F #7E1B8F #8F441B #2C8F1B

split-complementary

#1B668F #8F1B2C #8F7E1B

monochromatic

#081D28 #11415C #1B668F #258BC2 #48A8DC

Accessibility & contrast

On white

6.28

#1B668F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#1B668F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B668F

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B668F	#FFFFFF	#000000	##FFFFFF
##1B668F	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526691

Deuteranopia (green-blind)

#435B8E

Tritanopia (blue-blind)

#007074

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #1b668f;
/* rgb */ color: rgb(27, 102, 143);
/* oklch */ color: oklch(48.6% 0.096 238.1);

Tailwind

colors: {
  custom: {
    50: '#6b91b0',
    500: '#1b668f',
    950: '#000000',
  },
}

SCSS

$custom: #1b668f;
$custom-light: #6b91b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b668f",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 143
  },
  "hsl": {
    "h": 201.207,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.48575,
    "c": 0.09617,
    "h": 238.1
  },
  "luminance": 0.11719
}

Semantic roles & 50–950 ramp

primary

#1B668F

secondary

#BE7248

accent

#7A3DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B668F

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

Preview Lab → · Contrast checker → · Palette generator →