#1B495A#1B495A

#1B495A is a dark, muted cyan. Relative luminance 0.057; OKLCH L 38.2% C 0.057 H 225.7°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B495A
RGB	rgb(27, 73, 90)
HSL	hsl(196, 54%, 23%)
HSV	hsv(196, 70%, 35%)
CMYK	cmyk(70%, 18.9%, 0%, 64.7%)
CIE-LAB	lab(28.74, -9.57, -14.68)
CIE-LCH	lch(28.74, 17.52, 236.88°)
OKLab	oklab(38.17% -0.0399 -0.041)
OKLCH	oklch(38.17% 0.057 225.7)
XYZ	xyz(4.6793, 5.7358, 10.5314)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B495A #5A2C1B

analogous

#1B5A4B #1B495A #1B2A5A

triadic

#1B495A #5A1B49 #495A1B

tetradic

#1B495A #4B1B5A #5A2C1B #2A5A1B

square

#1B495A #4B1B5A #5A2C1B #2A5A1B

split-complementary

#1B495A #5A1B2A #5A4B1B

monochromatic

#071318 #0D232B #1B495A #296F89 #3795B8

Accessibility & contrast

On white

9.78

#1B495A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B495A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B495A

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B495A	#FFFFFF	#000000	##FFFFFF
##1B495A	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40475B

Deuteranopia (green-blind)

#37415A

Tritanopia (blue-blind)

#004E4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b495a;
/* rgb */ color: rgb(27, 73, 90);
/* oklch */ color: oklch(38.2% 0.057 225.7);

Tailwind

colors: {
  custom: {
    50: '#607b88',
    500: '#1b495a',
    950: '#000000',
  },
}

SCSS

$custom: #1b495a;
$custom-light: #607b88;
$custom-dark: #000000;

JSON

{
  "hex": "#1b495a",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 90
  },
  "hsl": {
    "h": 196.19,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.38171,
    "c": 0.05722,
    "h": 225.7
  },
  "luminance": 0.05736
}

Semantic roles & 50–950 ramp

primary

#1B495A

secondary

#905641

accent

#724BDD

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1B495A

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

Preview Lab → · Contrast checker → · Palette generator →