#1A3E87#1A3E87

#1A3E87 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.129 H 262.3°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E87
RGB	rgb(26, 62, 135)
HSL	hsl(220, 68%, 32%)
HSV	hsv(220, 81%, 53%)
CMYK	cmyk(80.7%, 54.1%, 0%, 47.1%)
CIE-LAB	lab(27.88, 15.54, -44.51)
CIE-LCH	lch(27.88, 47.14, 289.24°)
OKLab	oklab(38.36% -0.0172 -0.1282)
OKLCH	oklch(38.36% 0.129 262.3)
XYZ	xyz(6.5202, 5.4134, 23.6182)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E87 #87631A

analogous

#1A7587 #1A3E87 #2C1A87

triadic

#1A3E87 #871A3E #3E871A

tetradic

#1A3E87 #871A75 #87631A #1A872C

square

#1A3E87 #871A75 #87631A #1A872C

split-complementary

#1A3E87 #872C1A #75871A

monochromatic

#060F20 #102654 #1A3E87 #2456BA #4174DA

Accessibility & contrast

On white

10.08

#1A3E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1A3E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E87

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E87	#FFFFFF	#000000	##FFFFFF
##1A3E87	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09478A

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3e87;
/* rgb */ color: rgb(26, 62, 135);
/* oklch */ color: oklch(38.4% 0.129 262.3);

Tailwind

colors: {
  custom: {
    50: '#6972ab',
    500: '#1a3e87',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e87;
$custom-light: #6972ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e87",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 135
  },
  "hsl": {
    "h": 220.183,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38364,
    "c": 0.1294,
    "h": 262.3
  },
  "luminance": 0.05414
}

Semantic roles & 50–950 ramp

primary

#1A3E87

secondary

#BA9342

accent

#B13DEB

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A3E87

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

Preview Lab → · Contrast checker → · Palette generator →