#1B5A97#1B5A97

#1B5A97 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.1% C 0.117 H 251.5°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A97
RGB	rgb(27, 90, 151)
HSL	hsl(210, 70%, 35%)
HSV	hsv(210, 82%, 59%)
CMYK	cmyk(82.1%, 40.4%, 0%, 40.8%)
CIE-LAB	lab(37.44, 3.24, -38.93)
CIE-LCH	lch(37.44, 39.07, 274.76°)
OKLab	oklab(46.1% -0.0372 -0.1112)
OKLCH	oklch(46.1% 0.117 251.5)
XYZ	xyz(9.6920, 9.7785, 30.6488)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A97 #97581B

analogous

#1B9796 #1B5A97 #1B1C97

triadic

#1B5A97 #971B5A #5A971B

tetradic

#1B5A97 #961B97 #97581B #1C971B

square

#1B5A97 #961B97 #97581B #1C971B

split-complementary

#1B5A97 #971B1C #97961B

monochromatic

#081C2F #123B63 #1B5A97 #2479CB #4D97DF

Accessibility & contrast

On white

7.10

#1B5A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#1B5A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A97

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A97	#FFFFFF	#000000	##FFFFFF
##1B5A97	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5E99

Deuteranopia (green-blind)

#285396

Tritanopia (blue-blind)

#006971

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b5a97;
/* rgb */ color: rgb(27, 90, 151);
/* oklch */ color: oklch(46.1% 0.117 251.5);

Tailwind

colors: {
  custom: {
    50: '#6c88b6',
    500: '#1b5a97',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a97;
$custom-light: #6c88b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a97",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 151
  },
  "hsl": {
    "h": 209.516,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.46097,
    "c": 0.1173,
    "h": 251.5
  },
  "luminance": 0.0978
}

Semantic roles & 50–950 ramp

primary

#1B5A97

secondary

#C1864C

accent

#923BEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1B5A97

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

Preview Lab → · Contrast checker → · Palette generator →