#1A3073#1A3073

#1A3073 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.119 H 266.2°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1A3073
RGB	rgb(26, 48, 115)
HSL	hsl(225, 63%, 28%)
HSV	hsv(225, 77%, 45%)
CMYK	cmyk(77.4%, 58.3%, 0%, 54.9%)
CIE-LAB	lab(22.20, 17.25, -41.12)
CIE-LCH	lch(22.20, 44.59, 292.76°)
OKLab	oklab(33.57% -0.0078 -0.1185)
OKLCH	oklch(33.57% 0.119 266.2)
XYZ	xyz(4.5764, 3.5708, 16.6644)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3073 #735D1A

analogous

#1A5C73 #1A3073 #311A73

triadic

#1A3073 #731A30 #30731A

tetradic

#1A3073 #731A5C #735D1A #1A7331

square

#1A3073 #731A5C #735D1A #1A7331

split-complementary

#1A3073 #73311A #5C731A

monochromatic

#060A19 #0F1B41 #1A3073 #2545A5 #365CD2

Accessibility & contrast

On white

12.25

#1A3073 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1A3073 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3073

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3073	#FFFFFF	#000000	##FFFFFF
##1A3073	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a3073;
/* rgb */ color: rgb(26, 48, 115);
/* oklch */ color: oklch(33.6% 0.119 266.2);

Tailwind

colors: {
  custom: {
    50: '#65679c',
    500: '#1a3073',
    950: '#000000',
  },
}

SCSS

$custom: #1a3073;
$custom-light: #65679c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3073",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 115
  },
  "hsl": {
    "h": 225.169,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33565,
    "c": 0.11879,
    "h": 266.2
  },
  "luminance": 0.03571
}

Semantic roles & 50–950 ramp

primary

#1A3073

secondary

#A88E41

accent

#BD42E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3073

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

Preview Lab → · Contrast checker → · Palette generator →