#1A3A86#1A3A86

#1A3A86 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.4% C 0.133 H 263.9°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A86
RGB	rgb(26, 58, 134)
HSL	hsl(222, 68%, 31%)
HSV	hsv(222, 81%, 53%)
CMYK	cmyk(80.6%, 56.7%, 0%, 47.5%)
CIE-LAB	lab(26.64, 17.93, -45.91)
CIE-LCH	lch(26.64, 49.28, 291.33°)
OKLab	oklab(37.4% -0.0142 -0.1324)
OKLCH	oklch(37.4% 0.133 263.9)
XYZ	xyz(6.2406, 4.9662, 23.1793)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A86 #86661A

analogous

#1A7086 #1A3A86 #301A86

triadic

#1A3A86 #861A3A #3A861A

tetradic

#1A3A86 #861A70 #86661A #1A8630

square

#1A3A86 #861A70 #86661A #1A8630

split-complementary

#1A3A86 #86301A #70861A

monochromatic

#060E1F #102453 #1A3A86 #2450B9 #406EDA

Accessibility & contrast

On white

10.53

#1A3A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1A3A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A86

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A86	#FFFFFF	#000000	##FFFFFF
##1A3A86	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004489

Deuteranopia (green-blind)

#003A85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3a86;
/* rgb */ color: rgb(26, 58, 134);
/* oklch */ color: oklch(37.4% 0.133 263.9);

Tailwind

colors: {
  custom: {
    50: '#696faa',
    500: '#1a3a86',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a86;
$custom-light: #696faa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a86",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 134
  },
  "hsl": {
    "h": 222.222,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37397,
    "c": 0.13319,
    "h": 263.9
  },
  "luminance": 0.04967
}

Semantic roles & 50–950 ramp

primary

#1A3A86

secondary

#B99642

accent

#B73DEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3A86

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

Preview Lab → · Contrast checker → · Palette generator →