#1A2373#1A2373

#1A2373 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.9% C 0.136 H 270.8°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#1A2373
RGB	rgb(26, 35, 115)
HSL	hsl(234, 63%, 28%)
HSV	hsv(234, 77%, 45%)
CMYK	cmyk(77.4%, 69.6%, 0%, 54.9%)
CIE-LAB	lab(18.62, 26.41, -46.96)
CIE-LCH	lch(18.62, 53.88, 299.35°)
OKLab	oklab(30.92% 0.0019 -0.1358)
OKLCH	oklch(30.92% 0.136 270.8)
XYZ	xyz(4.1205, 2.6590, 16.5124)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2373 #736A1A

analogous

#1A4F73 #1A2373 #3E1A73

triadic

#1A2373 #731A23 #23731A

tetradic

#1A2373 #731A4F #736A1A #1A733E

square

#1A2373 #731A4F #736A1A #1A733E

split-complementary

#1A2373 #733E1A #4F731A

monochromatic

#060819 #0F1441 #1A2373 #2532A5 #3646D2

Accessibility & contrast

On white

13.71

#1A2373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1A2373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2373

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2373	#FFFFFF	#000000	##FFFFFF
##1A2373	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003275

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#003847

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1a2373;
/* rgb */ color: rgb(26, 35, 115);
/* oklch */ color: oklch(30.9% 0.136 270.8);

Tailwind

colors: {
  custom: {
    50: '#665e9c',
    500: '#1a2373',
    950: '#000000',
  },
}

SCSS

$custom: #1a2373;
$custom-light: #665e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2373",
  "rgb": {
    "r": 26,
    "g": 35,
    "b": 115
  },
  "hsl": {
    "h": 233.933,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30915,
    "c": 0.13583,
    "h": 270.8
  },
  "luminance": 0.02659
}

Semantic roles & 50–950 ramp

primary

#1A2373

secondary

#A89D41

accent

#D642E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1A2373

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

Preview Lab → · Contrast checker → · Palette generator →