#1A356E#1A356E

#1A356E is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.105 H 263.0°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#1A356E
RGB	rgb(26, 53, 110)
HSL	hsl(221, 62%, 27%)
HSV	hsv(221, 76%, 43%)
CMYK	cmyk(76.4%, 51.8%, 0%, 56.9%)
CIE-LAB	lab(23.31, 11.62, -36.12)
CIE-LCH	lch(23.31, 37.94, 287.83°)
OKLab	oklab(34.28% -0.0127 -0.1037)
OKLCH	oklch(34.28% 0.105 263)
XYZ	xyz(4.5126, 3.8911, 15.2621)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A356E #6E531A

analogous

#1A5F6E #1A356E #291A6E

triadic

#1A356E #6E1A35 #356E1A

tetradic

#1A356E #6E1A5F #6E531A #1A6E29

square

#1A356E #6E1A5F #6E531A #1A6E29

split-complementary

#1A356E #6E291A #5F6E1A

monochromatic

#060C19 #0E1D3D #1A356E #264DA0 #3465CF

Accessibility & contrast

On white

11.81

#1A356E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1A356E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A356E

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A356E	#FFFFFF	#000000	##FFFFFF
##1A356E	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143C70

Deuteranopia (green-blind)

#00346D

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a356e;
/* rgb */ color: rgb(26, 53, 110);
/* oklch */ color: oklch(34.3% 0.105 263.0);

Tailwind

colors: {
  custom: {
    50: '#636b98',
    500: '#1a356e',
    950: '#000000',
  },
}

SCSS

$custom: #1a356e;
$custom-light: #636b98;
$custom-dark: #000000;

JSON

{
  "hex": "#1a356e",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 110
  },
  "hsl": {
    "h": 220.714,
    "s": 61.765,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34283,
    "c": 0.10451,
    "h": 263
  },
  "luminance": 0.03892
}

Semantic roles & 50–950 ramp

primary

#1A356E

secondary

#A38341

accent

#B143E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A356E

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

Preview Lab → · Contrast checker → · Palette generator →