#1B647A#1B647A

#1B647A is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.0% C 0.077 H 222.6°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B647A
RGB	rgb(27, 100, 122)
HSL	hsl(194, 64%, 29%)
HSV	hsv(194, 78%, 48%)
CMYK	cmyk(77.9%, 18%, 0%, 52.2%)
CIE-LAB	lab(39.16, -13.98, -18.65)
CIE-LCH	lch(39.16, 23.31, 233.16°)
OKLab	oklab(46.98% -0.0568 -0.0522)
OKLCH	oklch(46.98% 0.077 222.6)
XYZ	xyz(8.5206, 10.7515, 20.0348)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B647A #7A311B

analogous

#1B7A61 #1B647A #1B357A

triadic

#1B647A #7A1B64 #647A1B

tetradic

#1B647A #611B7A #7A311B #357A1B

square

#1B647A #611B7A #7A311B #357A1B

split-complementary

#1B647A #7A1B35 #7A611B

monochromatic

#061519 #103B48 #1B647A #268DAC #3CB1D4

Accessibility & contrast

On white

6.67

#1B647A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#1B647A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B647A

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B647A	#FFFFFF	#000000	##FFFFFF
##1B647A	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57617B

Deuteranopia (green-blind)

#4A587A

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b647a;
/* rgb */ color: rgb(27, 100, 122);
/* oklch */ color: oklch(47.0% 0.077 222.6);

Tailwind

colors: {
  custom: {
    50: '#6790a0',
    500: '#1b647a',
    950: '#000000',
  },
}

SCSS

$custom: #1b647a;
$custom-light: #6790a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b647a",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 122
  },
  "hsl": {
    "h": 193.895,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.46977,
    "c": 0.07715,
    "h": 222.6
  },
  "luminance": 0.10752
}

Semantic roles & 50–950 ramp

primary

#1B647A

secondary

#AE5C43

accent

#6741E7

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1B647A

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

Preview Lab → · Contrast checker → · Palette generator →