#1A3290#1A3290

#1A3290 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.157 H 266.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#1A3290
RGB	rgb(26, 50, 144)
HSL	hsl(228, 69%, 33%)
HSV	hsv(228, 82%, 56%)
CMYK	cmyk(81.9%, 65.3%, 0%, 43.5%)
CIE-LAB	lab(25.30, 27.48, -54.29)
CIE-LCH	lch(25.30, 60.85, 296.84°)
OKLab	oklab(36.67% -0.0087 -0.1572)
OKLCH	oklch(36.67% 0.157 266.8)
XYZ	xyz(6.5989, 4.5137, 26.9036)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3290 #90781A

analogous

#1A6D90 #1A3290 #3D1A90

triadic

#1A3290 #901A32 #32901A

tetradic

#1A3290 #901A6D #90781A #1A903D

square

#1A3290 #901A6D #90781A #1A903D

split-complementary

#1A3290 #903D1A #6D901A

monochromatic

#070E28 #11205C #1A3290 #2344C4 #4765DE

Accessibility & contrast

On white

11.04

#1A3290 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1A3290 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3290

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3290	#FFFFFF	#000000	##FFFFFF
##1A3290	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004293

Deuteranopia (green-blind)

#00378E

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a3290;
/* rgb */ color: rgb(26, 50, 144);
/* oklch */ color: oklch(36.7% 0.157 266.8);

Tailwind

colors: {
  custom: {
    50: '#6c69b1',
    500: '#1a3290',
    950: '#000000',
  },
}

SCSS

$custom: #1a3290;
$custom-light: #6c69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3290",
  "rgb": {
    "r": 26,
    "g": 50,
    "b": 144
  },
  "hsl": {
    "h": 227.797,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36668,
    "c": 0.15739,
    "h": 266.8
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#1A3290

secondary

#BFA747

accent

#C83CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A3290

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

Preview Lab → · Contrast checker → · Palette generator →