#1B6983#1B6983

#1B6983 is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.7% C 0.083 H 225.3°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#1B6983
RGB	rgb(27, 105, 131)
HSL	hsl(195, 66%, 31%)
HSV	hsv(195, 79%, 51%)
CMYK	cmyk(79.4%, 19.8%, 0%, 48.6%)
CIE-LAB	lab(41.17, -13.60, -21.01)
CIE-LCH	lch(41.17, 25.02, 237.08°)
OKLab	oklab(48.72% -0.0583 -0.0589)
OKLCH	oklch(48.72% 0.083 225.3)
XYZ	xyz(9.5986, 11.9737, 23.2736)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6983 #83351B

analogous

#1B8369 #1B6983 #1B3583

triadic

#1B6983 #831B69 #69831B

tetradic

#1B6983 #691B83 #83351B #35831B

square

#1B6983 #691B83 #83351B #35831B

split-complementary

#1B6983 #831B35 #83691B

monochromatic

#06181E #114050 #1B6983 #2592B6 #41B2D8

Accessibility & contrast

On white

6.19

#1B6983 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#1B6983 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6983

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6983	#FFFFFF	#000000	##FFFFFF
##1B6983	1.00	6.19	3.40	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6784

Deuteranopia (green-blind)

#4D5D83

Tritanopia (blue-blind)

#007171

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #1b6983;
/* rgb */ color: rgb(27, 105, 131);
/* oklch */ color: oklch(48.7% 0.083 225.3);

Tailwind

colors: {
  custom: {
    50: '#6994a7',
    500: '#1b6983',
    950: '#000000',
  },
}

SCSS

$custom: #1b6983;
$custom-light: #6994a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6983",
  "rgb": {
    "r": 27,
    "g": 105,
    "b": 131
  },
  "hsl": {
    "h": 195,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4872,
    "c": 0.08292,
    "h": 225.3
  },
  "luminance": 0.11975
}

Semantic roles & 50–950 ramp

primary

#1B6983

secondary

#B66043

accent

#693FE9

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #1B6983

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

Preview Lab → · Contrast checker → · Palette generator →