#1B5D97#1B5D97

#1B5D97 is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.8% C 0.114 H 249.5°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D97
RGB	rgb(27, 93, 151)
HSL	hsl(208, 70%, 35%)
HSV	hsv(208, 82%, 59%)
CMYK	cmyk(82.1%, 38.4%, 0%, 40.8%)
CIE-LAB	lab(38.37, 1.31, -37.46)
CIE-LCH	lch(38.37, 37.48, 272.00°)
OKLab	oklab(46.82% -0.0399 -0.1069)
OKLCH	oklch(46.82% 0.114 249.5)
XYZ	xyz(9.9501, 10.2949, 30.7348)
Luminance	0.1030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D97 #97551B

analogous

#1B9793 #1B5D97 #1B1F97

triadic

#1B5D97 #971B5D #5D971B

tetradic

#1B5D97 #931B97 #97551B #1F971B

square

#1B5D97 #931B97 #97551B #1F971B

split-complementary

#1B5D97 #971B1F #97931B

monochromatic

#081D2F #123D63 #1B5D97 #247DCB #4D9BDF

Accessibility & contrast

On white

6.86

#1B5D97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#1B5D97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B5D97

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D97	#FFFFFF	#000000	##FFFFFF
##1B5D97	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416099

Deuteranopia (green-blind)

#2E5596

Tritanopia (blue-blind)

#006B72

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b5d97;
/* rgb */ color: rgb(27, 93, 151);
/* oklch */ color: oklch(46.8% 0.114 249.5);

Tailwind

colors: {
  custom: {
    50: '#6d8ab6',
    500: '#1b5d97',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d97;
$custom-light: #6d8ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d97",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 151
  },
  "hsl": {
    "h": 208.065,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.46821,
    "c": 0.11407,
    "h": 249.5
  },
  "luminance": 0.10296
}

Semantic roles & 50–950 ramp

primary

#1B5D97

secondary

#C1834C

accent

#8E3BEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1B5D97

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

Preview Lab → · Contrast checker → · Palette generator →