#1B5997#1B5997

#1B5997 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.9% C 0.118 H 252.2°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#1B5997
RGB	rgb(27, 89, 151)
HSL	hsl(210, 70%, 35%)
HSV	hsv(210, 82%, 59%)
CMYK	cmyk(82.1%, 41.1%, 0%, 40.8%)
CIE-LAB	lab(37.13, 3.89, -39.42)
CIE-LCH	lch(37.13, 39.61, 275.63°)
OKLab	oklab(45.86% -0.0363 -0.1127)
OKLCH	oklch(45.86% 0.118 252.2)
XYZ	xyz(9.6082, 9.6110, 30.6209)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5997 #97591B

analogous

#1B9797 #1B5997 #1B1B97

triadic

#1B5997 #971B59 #59971B

tetradic

#1B5997 #971B97 #97591B #1B971B

square

#1B5997 #971B97 #97591B #1B971B

split-complementary

#1B5997 #971B1B #97971B

monochromatic

#081C2F #123A63 #1B5997 #2478CB #4D96DF

Accessibility & contrast

On white

7.19

#1B5997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1B5997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5997

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5997	#FFFFFF	#000000	##FFFFFF
##1B5997	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5D99

Deuteranopia (green-blind)

#265296

Tritanopia (blue-blind)

#006870

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b5997;
/* rgb */ color: rgb(27, 89, 151);
/* oklch */ color: oklch(45.9% 0.118 252.2);

Tailwind

colors: {
  custom: {
    50: '#6c87b6',
    500: '#1b5997',
    950: '#000000',
  },
}

SCSS

$custom: #1b5997;
$custom-light: #6c87b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5997",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 151
  },
  "hsl": {
    "h": 210,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.45857,
    "c": 0.11841,
    "h": 252.2
  },
  "luminance": 0.09612
}

Semantic roles & 50–950 ramp

primary

#1B5997

secondary

#C1874C

accent

#943BEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1B5997

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

Preview Lab → · Contrast checker → · Palette generator →