#1A3582#1A3582

#1A3582 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.134 H 265.4°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#1A3582
RGB	rgb(26, 53, 130)
HSL	hsl(224, 67%, 31%)
HSV	hsv(224, 80%, 51%)
CMYK	cmyk(80%, 59.2%, 0%, 49%)
CIE-LAB	lab(24.88, 19.81, -46.26)
CIE-LCH	lch(24.88, 50.33, 293.18°)
OKLab	oklab(35.97% -0.0108 -0.1336)
OKLCH	oklch(35.97% 0.134 265.4)
XYZ	xyz(5.7269, 4.3769, 21.6578)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3582 #82671A

analogous

#1A6982 #1A3582 #331A82

triadic

#1A3582 #821A35 #35821A

tetradic

#1A3582 #821A69 #82671A #1A8233

square

#1A3582 #821A69 #82671A #1A8233

split-complementary

#1A3582 #82331A #69821A

monochromatic

#060B1C #10204F #1A3582 #244AB5 #3E66D8

Accessibility & contrast

On white

11.20

#1A3582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1A3582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3582

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3582	#FFFFFF	#000000	##FFFFFF
##1A3582	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004085

Deuteranopia (green-blind)

#003680

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a3582;
/* rgb */ color: rgb(26, 53, 130);
/* oklch */ color: oklch(36.0% 0.134 265.4);

Tailwind

colors: {
  custom: {
    50: '#686ba7',
    500: '#1a3582',
    950: '#000000',
  },
}

SCSS

$custom: #1a3582;
$custom-light: #686ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3582",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 130
  },
  "hsl": {
    "h": 224.423,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35971,
    "c": 0.13401,
    "h": 265.4
  },
  "luminance": 0.04378
}

Semantic roles & 50–950 ramp

primary

#1A3582

secondary

#B69842

accent

#BD3EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A3582

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

Preview Lab → · Contrast checker → · Palette generator →