#1A3797#1A3797

#1A3797 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.161 H 265.8°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#1A3797
RGB	rgb(26, 55, 151)
HSL	hsl(226, 71%, 35%)
HSV	hsv(226, 83%, 59%)
CMYK	cmyk(82.8%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(27.26, 26.82, -55.39)
CIE-LCH	lch(27.26, 61.54, 295.83°)
OKLab	oklab(38.31% -0.0116 -0.1603)
OKLCH	oklch(38.31% 0.161 265.8)
XYZ	xyz(7.3761, 5.1855, 29.8843)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3797 #977A1A

analogous

#1A7697 #1A3797 #3C1A97

triadic

#1A3797 #971A37 #37971A

tetradic

#1A3797 #971A76 #977A1A #1A973C

square

#1A3797 #971A76 #977A1A #1A973C

split-complementary

#1A3797 #973C1A #76971A

monochromatic

#08112F #112463 #1A3797 #234ACB #4B6EE0

Accessibility & contrast

On white

10.31

#1A3797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1A3797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3797

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3797	#FFFFFF	#000000	##FFFFFF
##1A3797	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003B95

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3797;
/* rgb */ color: rgb(26, 55, 151);
/* oklch */ color: oklch(38.3% 0.161 265.8);

Tailwind

colors: {
  custom: {
    50: '#6e6db6',
    500: '#1a3797',
    950: '#000000',
  },
}

SCSS

$custom: #1a3797;
$custom-light: #6e6db6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3797",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 226.08,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38311,
    "c": 0.16074,
    "h": 265.8
  },
  "luminance": 0.05186
}

Semantic roles & 50–950 ramp

primary

#1A3797

secondary

#C2A64B

accent

#C43AED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3797

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

Preview Lab → · Contrast checker → · Palette generator →