#1A356F#1A356F

#1A356F is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.106 H 263.2°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#1A356F
RGB	rgb(26, 53, 111)
HSL	hsl(221, 62%, 27%)
HSV	hsv(221, 77%, 44%)
CMYK	cmyk(76.6%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(23.38, 12.03, -36.64)
CIE-LCH	lch(23.38, 38.57, 288.18°)
OKLab	oklab(34.36% -0.0126 -0.1053)
OKLCH	oklch(34.36% 0.106 263.2)
XYZ	xyz(4.5673, 3.9130, 15.5504)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A356F #6F541A

analogous

#1A606F #1A356F #2A1A6F

triadic

#1A356F #6F1A35 #356F1A

tetradic

#1A356F #6F1A60 #6F541A #1A6F2A

square

#1A356F #6F1A60 #6F541A #1A6F2A

split-complementary

#1A356F #6F2A1A #606F1A

monochromatic

#060C19 #0E1D3D #1A356F #264DA1 #3465CF

Accessibility & contrast

On white

11.78

#1A356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1A356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A356F

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A356F	#FFFFFF	#000000	##FFFFFF
##1A356F	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133C71

Deuteranopia (green-blind)

#00346E

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a356f;
/* rgb */ color: rgb(26, 53, 111);
/* oklch */ color: oklch(34.4% 0.106 263.2);

Tailwind

colors: {
  custom: {
    50: '#636b99',
    500: '#1a356f',
    950: '#000000',
  },
}

SCSS

$custom: #1a356f;
$custom-light: #636b99;
$custom-dark: #000000;

JSON

{
  "hex": "#1a356f",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 220.941,
    "s": 62.044,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34363,
    "c": 0.10602,
    "h": 263.2
  },
  "luminance": 0.03914
}

Semantic roles & 50–950 ramp

primary

#1A356F

secondary

#A48541

accent

#B243E5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A356F

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

Preview Lab → · Contrast checker → · Palette generator →