#1B667B#1B667B

#1B667B is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.6% C 0.078 H 221.0°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B667B
RGB	rgb(27, 102, 123)
HSL	hsl(193, 64%, 29%)
HSV	hsv(193, 78%, 48%)
CMYK	cmyk(78%, 17.1%, 0%, 51.8%)
CIE-LAB	lab(39.86, -14.76, -18.19)
CIE-LCH	lch(39.86, 23.43, 230.94°)
OKLab	oklab(47.55% -0.0585 -0.0509)
OKLCH	oklch(47.55% 0.078 221)
XYZ	xyz(8.7770, 11.1648, 20.4275)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B667B #7B301B

analogous

#1B7B60 #1B667B #1B367B

triadic

#1B667B #7B1B66 #667B1B

tetradic

#1B667B #601B7B #7B301B #367B1B

square

#1B667B #601B7B #7B301B #367B1B

split-complementary

#1B667B #7B1B36 #7B601B

monochromatic

#061519 #103C49 #1B667B #2690AD #3CB3D4

Accessibility & contrast

On white

6.50

#1B667B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1B667B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B667B

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B667B	#FFFFFF	#000000	##FFFFFF
##1B667B	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59637C

Deuteranopia (green-blind)

#4C5A7B

Tritanopia (blue-blind)

#006D6D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1b667b;
/* rgb */ color: rgb(27, 102, 123);
/* oklch */ color: oklch(47.6% 0.078 221.0);

Tailwind

colors: {
  custom: {
    50: '#6891a1',
    500: '#1b667b',
    950: '#000000',
  },
}

SCSS

$custom: #1b667b;
$custom-light: #6891a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b667b",
  "rgb": {
    "r": 27,
    "g": 102,
    "b": 123
  },
  "hsl": {
    "h": 193.125,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.47551,
    "c": 0.07752,
    "h": 221
  },
  "luminance": 0.11166
}

Semantic roles & 50–950 ramp

primary

#1B667B

secondary

#AF5A43

accent

#6541E7

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070D0F

muted

#7A7D7E

Preview Lab

Preview with #1B667B

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

Preview Lab → · Contrast checker → · Palette generator →