#1B495B#1B495B

#1B495B is a dark, muted cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.058 H 227.2°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B495B
RGB	rgb(27, 73, 91)
HSL	hsl(197, 54%, 23%)
HSV	hsv(197, 70%, 36%)
CMYK	cmyk(70.3%, 19.8%, 0%, 64.3%)
CIE-LAB	lab(28.78, -9.21, -15.25)
CIE-LCH	lch(28.78, 17.81, 238.87°)
OKLab	oklab(38.22% -0.0395 -0.0426)
OKLCH	oklch(38.22% 0.058 227.2)
XYZ	xyz(4.7221, 5.7529, 10.7571)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B495B #5B2D1B

analogous

#1B5B4D #1B495B #1B295B

triadic

#1B495B #5B1B49 #495B1B

tetradic

#1B495B #4D1B5B #5B2D1B #295B1B

square

#1B495B #4D1B5B #5B2D1B #295B1B

split-complementary

#1B495B #5B1B29 #5B4D1B

monochromatic

#071318 #0D232C #1B495B #296F8A #3795B9

Accessibility & contrast

On white

9.76

#1B495B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B495B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B495B

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B495B	#FFFFFF	#000000	##FFFFFF
##1B495B	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F485C

Deuteranopia (green-blind)

#36415B

Tritanopia (blue-blind)

#004E4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b495b;
/* rgb */ color: rgb(27, 73, 91);
/* oklch */ color: oklch(38.2% 0.058 227.2);

Tailwind

colors: {
  custom: {
    50: '#607b89',
    500: '#1b495b',
    950: '#000000',
  },
}

SCSS

$custom: #1b495b;
$custom-light: #607b89;
$custom-dark: #000000;

JSON

{
  "hex": "#1b495b",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 91
  },
  "hsl": {
    "h": 196.875,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38221,
    "c": 0.05812,
    "h": 227.2
  },
  "luminance": 0.05753
}

Semantic roles & 50–950 ramp

primary

#1B495B

secondary

#915741

accent

#744ADE

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1B495B

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

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