#1A3596#1A3596

#1A3596 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.162 H 266.3°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A3596
RGB	rgb(26, 53, 150)
HSL	hsl(227, 70%, 35%)
HSV	hsv(227, 83%, 59%)
CMYK	cmyk(82.7%, 64.7%, 0%, 41.2%)
CIE-LAB	lab(26.64, 27.79, -55.79)
CIE-LCH	lch(26.64, 62.33, 296.48°)
OKLab	oklab(37.83% -0.0105 -0.1615)
OKLCH	oklch(37.83% 0.162 266.3)
XYZ	xyz(7.2022, 4.9670, 29.4274)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3596 #967B1A

analogous

#1A7396 #1A3596 #3D1A96

triadic

#1A3596 #961A35 #35961A

tetradic

#1A3596 #961A73 #967B1A #1A963D

square

#1A3596 #961A73 #967B1A #1A963D

split-complementary

#1A3596 #963D1A #73961A

monochromatic

#08102E #112362 #1A3596 #2347CA #4B6BE0

Accessibility & contrast

On white

10.53

#1A3596 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1A3596 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3596

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3596	#FFFFFF	#000000	##FFFFFF
##1A3596	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004599

Deuteranopia (green-blind)

#003994

Tritanopia (blue-blind)

#004F60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3596;
/* rgb */ color: rgb(26, 53, 150);
/* oklch */ color: oklch(37.8% 0.162 266.3);

Tailwind

colors: {
  custom: {
    50: '#6e6cb6',
    500: '#1a3596',
    950: '#000000',
  },
}

SCSS

$custom: #1a3596;
$custom-light: #6e6cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3596",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 150
  },
  "hsl": {
    "h": 226.935,
    "s": 70.455,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37827,
    "c": 0.16184,
    "h": 266.3
  },
  "luminance": 0.04968
}

Semantic roles & 50–950 ramp

primary

#1A3596

secondary

#C2A84A

accent

#C63BED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A3596

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

Preview Lab → · Contrast checker → · Palette generator →