#1B485A#1B485A

#1B485A is a dark, muted cyan. Relative luminance 0.056; OKLCH L 37.9% C 0.058 H 227.6°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B485A
RGB	rgb(27, 72, 90)
HSL	hsl(197, 54%, 23%)
HSV	hsv(197, 70%, 35%)
CMYK	cmyk(70%, 20%, 0%, 64.7%)
CIE-LAB	lab(28.39, -8.96, -15.20)
CIE-LCH	lch(28.39, 17.64, 239.49°)
OKLab	oklab(37.9% -0.0387 -0.0425)
OKLCH	oklch(37.9% 0.058 227.6)
XYZ	xyz(4.6141, 5.6054, 10.5097)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B485A #5A2D1B

analogous

#1B5A4C #1B485A #1B285A

triadic

#1B485A #5A1B48 #485A1B

tetradic

#1B485A #4C1B5A #5A2D1B #285A1B

square

#1B485A #4C1B5A #5A2D1B #285A1B

split-complementary

#1B485A #5A1B28 #5A4C1B

monochromatic

#071318 #0D222B #1B485A #296E89 #3793B8

Accessibility & contrast

On white

9.90

#1B485A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1B485A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B485A

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B485A	#FFFFFF	#000000	##FFFFFF
##1B485A	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E475B

Deuteranopia (green-blind)

#36405A

Tritanopia (blue-blind)

#004D4E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1b485a;
/* rgb */ color: rgb(27, 72, 90);
/* oklch */ color: oklch(37.9% 0.058 227.6);

Tailwind

colors: {
  custom: {
    50: '#607b88',
    500: '#1b485a',
    950: '#000000',
  },
}

SCSS

$custom: #1b485a;
$custom-light: #607b88;
$custom-dark: #000000;

JSON

{
  "hex": "#1b485a",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 90
  },
  "hsl": {
    "h": 197.143,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.37898,
    "c": 0.0575,
    "h": 227.6
  },
  "luminance": 0.05606
}

Semantic roles & 50–950 ramp

primary

#1B485A

secondary

#905841

accent

#744BDD

background

#F5F7F8

surface

#EAEDEF

border

#C6C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1B485A

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

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