#1B5C97#1B5C97

#1B5C97 is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.6% C 0.115 H 250.2°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C97
RGB	rgb(27, 92, 151)
HSL	hsl(209, 70%, 35%)
HSV	hsv(209, 82%, 59%)
CMYK	cmyk(82.1%, 39.1%, 0%, 40.8%)
CIE-LAB	lab(38.06, 1.95, -37.95)
CIE-LCH	lch(38.06, 38.00, 272.94°)
OKLab	oklab(46.58% -0.039 -0.1083)
OKLCH	oklch(46.58% 0.115 250.2)
XYZ	xyz(9.8629, 10.1205, 30.7058)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C97 #97561B

analogous

#1B9794 #1B5C97 #1B1E97

triadic

#1B5C97 #971B5C #5C971B

tetradic

#1B5C97 #941B97 #97561B #1E971B

square

#1B5C97 #941B97 #97561B #1E971B

split-complementary

#1B5C97 #971B1E #97941B

monochromatic

#081D2F #123C63 #1B5C97 #247CCB #4D9ADF

Accessibility & contrast

On white

6.94

#1B5C97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#1B5C97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B5C97

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C97	#FFFFFF	#000000	##FFFFFF
##1B5C97	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406099

Deuteranopia (green-blind)

#2C5496

Tritanopia (blue-blind)

#006A72

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b5c97;
/* rgb */ color: rgb(27, 92, 151);
/* oklch */ color: oklch(46.6% 0.115 250.2);

Tailwind

colors: {
  custom: {
    50: '#6c89b6',
    500: '#1b5c97',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c97;
$custom-light: #6c89b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c97",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 151
  },
  "hsl": {
    "h": 208.548,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.46579,
    "c": 0.11512,
    "h": 250.2
  },
  "luminance": 0.10122
}

Semantic roles & 50–950 ramp

primary

#1B5C97

secondary

#C1844C

accent

#903BEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1B5C97

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

Preview Lab → · Contrast checker → · Palette generator →