#1A356C#1A356C

#1A356C is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.101 H 262.6°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#1A356C
RGB	rgb(26, 53, 108)
HSL	hsl(220, 61%, 26%)
HSV	hsv(220, 76%, 42%)
CMYK	cmyk(75.9%, 50.9%, 0%, 57.6%)
CIE-LAB	lab(23.16, 10.79, -35.07)
CIE-LCH	lch(23.16, 36.69, 287.11°)
OKLab	oklab(34.13% -0.013 -0.1006)
OKLCH	oklch(34.13% 0.101 262.6)
XYZ	xyz(4.4049, 3.8481, 14.6951)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A356C #6C511A

analogous

#1A5E6C #1A356C #281A6C

triadic

#1A356C #6C1A35 #356C1A

tetradic

#1A356C #6C1A5E #6C511A #1A6C28

square

#1A356C #6C1A5E #6C511A #1A6C28

split-complementary

#1A356C #6C281A #5E6C1A

monochromatic

#060C19 #0E1D3B #1A356C #264D9D #3366CE

Accessibility & contrast

On white

11.87

#1A356C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1A356C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A356C

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A356C	#FFFFFF	#000000	##FFFFFF
##1A356C	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173B6E

Deuteranopia (green-blind)

#01346B

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a356c;
/* rgb */ color: rgb(26, 53, 108);
/* oklch */ color: oklch(34.1% 0.101 262.6);

Tailwind

colors: {
  custom: {
    50: '#636b96',
    500: '#1a356c',
    950: '#000000',
  },
}

SCSS

$custom: #1a356c;
$custom-light: #636b96;
$custom-dark: #000000;

JSON

{
  "hex": "#1a356c",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 108
  },
  "hsl": {
    "h": 220.244,
    "s": 61.194,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34125,
    "c": 0.10148,
    "h": 262.6
  },
  "luminance": 0.03849
}

Semantic roles & 50–950 ramp

primary

#1A356C

secondary

#A18141

accent

#AF43E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1A356C

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

Preview Lab → · Contrast checker → · Palette generator →