#1A2173#1A2173

#1A2173 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.138 H 271.3°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#1A2173
RGB	rgb(26, 33, 115)
HSL	hsl(235, 63%, 28%)
HSV	hsv(235, 77%, 45%)
CMYK	cmyk(77.4%, 71.3%, 0%, 54.9%)
CIE-LAB	lab(18.12, 27.76, -47.79)
CIE-LCH	lch(18.12, 55.27, 300.16°)
OKLab	oklab(30.55% 0.0032 -0.1382)
OKLCH	oklch(30.55% 0.138 271.3)
XYZ	xyz(4.0633, 2.5447, 16.4934)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2173 #736C1A

analogous

#1A4D73 #1A2173 #3F1A73

triadic

#1A2173 #731A21 #21731A

tetradic

#1A2173 #731A4D #736C1A #1A733F

square

#1A2173 #731A4D #736C1A #1A733F

split-complementary

#1A2173 #733F1A #4D731A

monochromatic

#060719 #0F1341 #1A2173 #252FA5 #3642D2

Accessibility & contrast

On white

13.92

#1A2173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1A2173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2173

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2173	#FFFFFF	#000000	##FFFFFF
##1A2173	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003176

Deuteranopia (green-blind)

#002871

Tritanopia (blue-blind)

#003747

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a2173;
/* rgb */ color: rgb(26, 33, 115);
/* oklch */ color: oklch(30.5% 0.138 271.3);

Tailwind

colors: {
  custom: {
    50: '#665c9c',
    500: '#1a2173',
    950: '#000000',
  },
}

SCSS

$custom: #1a2173;
$custom-light: #665c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2173",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 115
  },
  "hsl": {
    "h": 235.281,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30549,
    "c": 0.13828,
    "h": 271.3
  },
  "luminance": 0.02545
}

Semantic roles & 50–950 ramp

primary

#1A2173

secondary

#A8A041

accent

#D942E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1A2173

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

Preview Lab → · Contrast checker → · Palette generator →