#1A3986#1A3986

#1A3986 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.2% C 0.135 H 264.2°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#1A3986
RGB	rgb(26, 57, 134)
HSL	hsl(223, 68%, 31%)
HSV	hsv(223, 81%, 53%)
CMYK	cmyk(80.6%, 57.5%, 0%, 47.5%)
CIE-LAB	lab(26.35, 18.63, -46.37)
CIE-LCH	lch(26.35, 49.97, 291.88°)
OKLab	oklab(37.18% -0.0135 -0.1338)
OKLCH	oklch(37.18% 0.135 264.2)
XYZ	xyz(6.1907, 4.8664, 23.1627)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3986 #86671A

analogous

#1A6F86 #1A3986 #311A86

triadic

#1A3986 #861A39 #39861A

tetradic

#1A3986 #861A6F #86671A #1A8631

square

#1A3986 #861A6F #86671A #1A8631

split-complementary

#1A3986 #86311A #6F861A

monochromatic

#060D1F #102353 #1A3986 #244FB9 #406CDA

Accessibility & contrast

On white

10.64

#1A3986 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1A3986 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3986

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3986	#FFFFFF	#000000	##FFFFFF
##1A3986	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004489

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3986;
/* rgb */ color: rgb(26, 57, 134);
/* oklch */ color: oklch(37.2% 0.135 264.2);

Tailwind

colors: {
  custom: {
    50: '#696eaa',
    500: '#1a3986',
    950: '#000000',
  },
}

SCSS

$custom: #1a3986;
$custom-light: #696eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3986",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 134
  },
  "hsl": {
    "h": 222.778,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3718,
    "c": 0.1345,
    "h": 264.2
  },
  "luminance": 0.04867
}

Semantic roles & 50–950 ramp

primary

#1A3986

secondary

#B99742

accent

#B93DEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3986

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

Preview Lab → · Contrast checker → · Palette generator →