#1A2873#1A2873

#1A2873 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.9% C 0.129 H 269.3°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#1A2873
RGB	rgb(26, 40, 115)
HSL	hsl(231, 63%, 28%)
HSV	hsv(231, 77%, 45%)
CMYK	cmyk(77.4%, 65.2%, 0%, 54.9%)
CIE-LAB	lab(19.94, 22.94, -44.80)
CIE-LCH	lch(19.94, 50.33, 297.11°)
OKLab	oklab(31.88% -0.0015 -0.1295)
OKLCH	oklch(31.88% 0.129 269.3)
XYZ	xyz(4.2782, 2.9745, 16.5650)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2873 #73651A

analogous

#1A5473 #1A2873 #391A73

triadic

#1A2873 #731A28 #28731A

tetradic

#1A2873 #731A54 #73651A #1A7339

square

#1A2873 #731A54 #73651A #1A7339

split-complementary

#1A2873 #73391A #54731A

monochromatic

#060919 #0F1741 #1A2873 #2539A5 #364ED2

Accessibility & contrast

On white

13.17

#1A2873 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1A2873 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2873

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2873	#FFFFFF	#000000	##FFFFFF
##1A2873	1.00	13.17	1.60	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003475

Deuteranopia (green-blind)

#002C72

Tritanopia (blue-blind)

#003B49

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a2873;
/* rgb */ color: rgb(26, 40, 115);
/* oklch */ color: oklch(31.9% 0.129 269.3);

Tailwind

colors: {
  custom: {
    50: '#65619c',
    500: '#1a2873',
    950: '#000000',
  },
}

SCSS

$custom: #1a2873;
$custom-light: #65619c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2873",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 115
  },
  "hsl": {
    "h": 230.562,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31882,
    "c": 0.12947,
    "h": 269.3
  },
  "luminance": 0.02975
}

Semantic roles & 50–950 ramp

primary

#1A2873

secondary

#A89841

accent

#CC42E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1A2873

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

Preview Lab → · Contrast checker → · Palette generator →