#1A3786#1A3786

#1A3786 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.137 H 265.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#1A3786
RGB	rgb(26, 55, 134)
HSL	hsl(224, 68%, 31%)
HSV	hsv(224, 81%, 53%)
CMYK	cmyk(80.6%, 59%, 0%, 47.5%)
CIE-LAB	lab(25.78, 20.03, -47.30)
CIE-LCH	lch(25.78, 51.37, 292.95°)
OKLab	oklab(36.75% -0.012 -0.1366)
OKLCH	oklch(36.75% 0.137 265)
XYZ	xyz(6.0937, 4.6725, 23.1304)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3786 #86691A

analogous

#1A6D86 #1A3786 #331A86

triadic

#1A3786 #861A37 #37861A

tetradic

#1A3786 #861A6D #86691A #1A8633

square

#1A3786 #861A6D #86691A #1A8633

split-complementary

#1A3786 #86331A #6D861A

monochromatic

#060D1F #102253 #1A3786 #244CB9 #406ADA

Accessibility & contrast

On white

10.85

#1A3786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1A3786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3786

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3786	#FFFFFF	#000000	##FFFFFF
##1A3786	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004289

Deuteranopia (green-blind)

#003884

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a3786;
/* rgb */ color: rgb(26, 55, 134);
/* oklch */ color: oklch(36.8% 0.137 265.0);

Tailwind

colors: {
  custom: {
    50: '#696daa',
    500: '#1a3786',
    950: '#000000',
  },
}

SCSS

$custom: #1a3786;
$custom-light: #696daa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3786",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 134
  },
  "hsl": {
    "h": 223.889,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36751,
    "c": 0.13711,
    "h": 265
  },
  "luminance": 0.04673
}

Semantic roles & 50–950 ramp

primary

#1A3786

secondary

#B99942

accent

#BC3DEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3786

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

Preview Lab → · Contrast checker → · Palette generator →