#1A3697#1A3697

#1A3697 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.162 H 266.1°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#1A3697
RGB	rgb(26, 54, 151)
HSL	hsl(227, 71%, 35%)
HSV	hsv(227, 83%, 59%)
CMYK	cmyk(82.8%, 64.2%, 0%, 40.8%)
CIE-LAB	lab(26.99, 27.50, -55.82)
CIE-LCH	lch(26.99, 62.23, 296.23°)
OKLab	oklab(38.12% -0.0111 -0.1616)
OKLCH	oklch(38.12% 0.162 266.1)
XYZ	xyz(7.3291, 5.0914, 29.8686)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3697 #977B1A

analogous

#1A7597 #1A3697 #3D1A97

triadic

#1A3697 #971A36 #36971A

tetradic

#1A3697 #971A75 #977B1A #1A973D

square

#1A3697 #971A75 #977B1A #1A973D

split-complementary

#1A3697 #973D1A #75971A

monochromatic

#08112F #112363 #1A3697 #2349CB #4B6DE0

Accessibility & contrast

On white

10.40

#1A3697 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1A3697 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3697

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3697	#FFFFFF	#000000	##FFFFFF
##1A3697	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003A95

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3697;
/* rgb */ color: rgb(26, 54, 151);
/* oklch */ color: oklch(38.1% 0.162 266.1);

Tailwind

colors: {
  custom: {
    50: '#6e6cb7',
    500: '#1a3697',
    950: '#000000',
  },
}

SCSS

$custom: #1a3697;
$custom-light: #6e6cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3697",
  "rgb": {
    "r": 26,
    "g": 54,
    "b": 151
  },
  "hsl": {
    "h": 226.56,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38116,
    "c": 0.16197,
    "h": 266.1
  },
  "luminance": 0.05092
}

Semantic roles & 50–950 ramp

primary

#1A3697

secondary

#C2A74B

accent

#C53AED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3697

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

Preview Lab → · Contrast checker → · Palette generator →