#1A3D5A#1A3D5A

#1A3D5A is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.065 H 246.2°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D5A
RGB	rgb(26, 61, 90)
HSL	hsl(207, 55%, 23%)
HSV	hsv(207, 71%, 35%)
CMYK	cmyk(71.1%, 32.2%, 0%, 64.7%)
CIE-LAB	lab(24.62, -2.06, -21.07)
CIE-LCH	lch(24.62, 21.17, 264.40°)
OKLab	oklab(34.89% -0.0263 -0.0595)
OKLCH	oklch(34.89% 0.065 246.2)
XYZ	xyz(3.9395, 4.2949, 10.2923)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D5A #5A371A

analogous

#1A5A57 #1A3D5A #1A1D5A

triadic

#1A3D5A #5A1A3D #3D5A1A

tetradic

#1A3D5A #571A5A #5A371A #1D5A1A

square

#1A3D5A #571A5A #5A371A #1D5A1A

split-complementary

#1A3D5A #5A1A1D #5A571A

monochromatic

#071018 #0C1D2B #1A3D5A #285D89 #357DB9

Accessibility & contrast

On white

11.30

#1A3D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1A3D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D5A

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D5A	#FFFFFF	#000000	##FFFFFF
##1A3D5A	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303E5B

Deuteranopia (green-blind)

#273859

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3d5a;
/* rgb */ color: rgb(26, 61, 90);
/* oklch */ color: oklch(34.9% 0.065 246.2);

Tailwind

colors: {
  custom: {
    50: '#5f7289',
    500: '#1a3d5a',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d5a;
$custom-light: #5f7289;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d5a",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 90
  },
  "hsl": {
    "h": 207.188,
    "s": 55.172,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34894,
    "c": 0.06504,
    "h": 246.2
  },
  "luminance": 0.04295
}

Semantic roles & 50–950 ramp

primary

#1A3D5A

secondary

#906440

accent

#8D49DF

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #1A3D5A

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

Preview Lab → · Contrast checker → · Palette generator →