#1A356D#1A356D

#1A356D is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.103 H 262.8°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#1A356D
RGB	rgb(26, 53, 109)
HSL	hsl(220, 61%, 26%)
HSV	hsv(220, 76%, 43%)
CMYK	cmyk(76.1%, 51.4%, 0%, 57.3%)
CIE-LAB	lab(23.24, 11.21, -35.59)
CIE-LCH	lch(23.24, 37.32, 287.47°)
OKLab	oklab(34.2% -0.0129 -0.1022)
OKLCH	oklch(34.2% 0.103 262.8)
XYZ	xyz(4.4584, 3.8695, 14.9769)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A356D #6D521A

analogous

#1A5F6D #1A356D #291A6D

triadic

#1A356D #6D1A35 #356D1A

tetradic

#1A356D #6D1A5F #6D521A #1A6D29

square

#1A356D #6D1A5F #6D521A #1A6D29

split-complementary

#1A356D #6D291A #5F6D1A

monochromatic

#060C19 #0E1D3C #1A356D #264D9E #3366CE

Accessibility & contrast

On white

11.84

#1A356D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1A356D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A356D

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A356D	#FFFFFF	#000000	##FFFFFF
##1A356D	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153B6F

Deuteranopia (green-blind)

#00346C

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a356d;
/* rgb */ color: rgb(26, 53, 109);
/* oklch */ color: oklch(34.2% 0.103 262.8);

Tailwind

colors: {
  custom: {
    50: '#636b97',
    500: '#1a356d',
    950: '#000000',
  },
}

SCSS

$custom: #1a356d;
$custom-light: #636b97;
$custom-dark: #000000;

JSON

{
  "hex": "#1a356d",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 109
  },
  "hsl": {
    "h": 220.482,
    "s": 61.481,
    "l": 26.471
  },
  "oklch": {
    "l": 0.34204,
    "c": 0.103,
    "h": 262.8
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#1A356D

secondary

#A28241

accent

#B043E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1A356D

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

Preview Lab → · Contrast checker → · Palette generator →