#1A3772#1A3772

#1A3772 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.108 H 262.5°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#1A3772
RGB	rgb(26, 55, 114)
HSL	hsl(220, 63%, 27%)
HSV	hsv(220, 77%, 45%)
CMYK	cmyk(77.2%, 51.8%, 0%, 55.3%)
CIE-LAB	lab(24.21, 11.84, -37.22)
CIE-LCH	lch(24.21, 39.06, 287.65°)
OKLab	oklab(35.07% -0.014 -0.1069)
OKLCH	oklch(35.07% 0.108 262.5)
XYZ	xyz(4.8284, 4.1664, 16.4660)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3772 #72551A

analogous

#1A6372 #1A3772 #291A72

triadic

#1A3772 #721A37 #37721A

tetradic

#1A3772 #721A63 #72551A #1A7229

square

#1A3772 #721A63 #72551A #1A7229

split-complementary

#1A3772 #72291A #63721A

monochromatic

#060C19 #0F1F40 #1A3772 #254FA4 #3569D1

Accessibility & contrast

On white

11.45

#1A3772 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1A3772 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3772

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3772	#FFFFFF	#000000	##FFFFFF
##1A3772	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153E74

Deuteranopia (green-blind)

#003671

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3772;
/* rgb */ color: rgb(26, 55, 114);
/* oklch */ color: oklch(35.1% 0.108 262.5);

Tailwind

colors: {
  custom: {
    50: '#646d9b',
    500: '#1a3772',
    950: '#000000',
  },
}

SCSS

$custom: #1a3772;
$custom-light: #646d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3772",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 114
  },
  "hsl": {
    "h": 220.227,
    "s": 62.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35069,
    "c": 0.10784,
    "h": 262.5
  },
  "luminance": 0.04167
}

Semantic roles & 50–950 ramp

primary

#1A3772

secondary

#A78541

accent

#B042E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1A3772

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

Preview Lab → · Contrast checker → · Palette generator →