#1A3D73#1A3D73

#1A3D73 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.101 H 258.9°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D73
RGB	rgb(26, 61, 115)
HSL	hsl(216, 63%, 28%)
HSV	hsv(216, 77%, 45%)
CMYK	cmyk(77.4%, 47%, 0%, 54.9%)
CIE-LAB	lab(26.14, 8.03, -34.76)
CIE-LCH	lch(26.14, 35.67, 283.00°)
OKLab	oklab(36.57% -0.0195 -0.0996)
OKLCH	oklch(36.57% 0.101 258.9)
XYZ	xyz(5.1881, 4.7943, 16.8683)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D73 #73501A

analogous

#1A6A73 #1A3D73 #231A73

triadic

#1A3D73 #731A3D #3D731A

tetradic

#1A3D73 #731A6A #73501A #1A7323

square

#1A3D73 #731A6A #73501A #1A7323

split-complementary

#1A3D73 #73231A #6A731A

monochromatic

#060D19 #0F2341 #1A3D73 #2557A5 #3673D2

Accessibility & contrast

On white

10.72

#1A3D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1A3D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D73

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D73	#FFFFFF	#000000	##FFFFFF
##1A3D73	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214275

Deuteranopia (green-blind)

#0F3A72

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3d73;
/* rgb */ color: rgb(26, 61, 115);
/* oklch */ color: oklch(36.6% 0.101 258.9);

Tailwind

colors: {
  custom: {
    50: '#64729c',
    500: '#1a3d73',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d73;
$custom-light: #64729c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d73",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 216.404,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36571,
    "c": 0.10145,
    "h": 258.9
  },
  "luminance": 0.04795
}

Semantic roles & 50–950 ramp

primary

#1A3D73

secondary

#A87F41

accent

#A542E6

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1A3D73

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

Preview Lab → · Contrast checker → · Palette generator →