#1A3C86#1A3C86

#1A3C86 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.8% C 0.131 H 263.1°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C86
RGB	rgb(26, 60, 134)
HSL	hsl(221, 68%, 31%)
HSV	hsv(221, 81%, 53%)
CMYK	cmyk(80.6%, 55.2%, 0%, 47.5%)
CIE-LAB	lab(27.22, 16.53, -44.96)
CIE-LCH	lch(27.22, 47.90, 290.18°)
OKLab	oklab(37.84% -0.0158 -0.1296)
OKLCH	oklch(37.84% 0.131 263.1)
XYZ	xyz(6.3434, 5.1718, 23.2136)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C86 #86641A

analogous

#1A7286 #1A3C86 #2E1A86

triadic

#1A3C86 #861A3C #3C861A

tetradic

#1A3C86 #861A72 #86641A #1A862E

square

#1A3C86 #861A72 #86641A #1A862E

split-complementary

#1A3C86 #862E1A #72861A

monochromatic

#060E1F #102553 #1A3C86 #2453B9 #4071DA

Accessibility & contrast

On white

10.32

#1A3C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1A3C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C86

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C86	#FFFFFF	#000000	##FFFFFF
##1A3C86	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014589

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3c86;
/* rgb */ color: rgb(26, 60, 134);
/* oklch */ color: oklch(37.8% 0.131 263.1);

Tailwind

colors: {
  custom: {
    50: '#6971aa',
    500: '#1a3c86',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c86;
$custom-light: #6971aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c86",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 134
  },
  "hsl": {
    "h": 221.111,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37837,
    "c": 0.13058,
    "h": 263.1
  },
  "luminance": 0.05173
}

Semantic roles & 50–950 ramp

primary

#1A3C86

secondary

#B99442

accent

#B43DEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3C86

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

Preview Lab → · Contrast checker → · Palette generator →