#1A3B86#1A3B86

#1A3B86 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.132 H 263.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A3B86
RGB	rgb(26, 59, 134)
HSL	hsl(222, 68%, 31%)
HSV	hsv(222, 81%, 53%)
CMYK	cmyk(80.6%, 56%, 0%, 47.5%)
CIE-LAB	lab(26.93, 17.23, -45.44)
CIE-LCH	lch(26.93, 48.59, 290.76°)
OKLab	oklab(37.62% -0.015 -0.131)
OKLCH	oklch(37.62% 0.132 263.5)
XYZ	xyz(6.2915, 5.0680, 23.1963)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3B86 #86651A

analogous

#1A7186 #1A3B86 #2F1A86

triadic

#1A3B86 #861A3B #3B861A

tetradic

#1A3B86 #861A71 #86651A #1A862F

square

#1A3B86 #861A71 #86651A #1A862F

split-complementary

#1A3B86 #862F1A #71861A

monochromatic

#060E1F #102453 #1A3B86 #2452B9 #406FDA

Accessibility & contrast

On white

10.43

#1A3B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1A3B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3B86

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3B86	#FFFFFF	#000000	##FFFFFF
##1A3B86	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004589

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3b86;
/* rgb */ color: rgb(26, 59, 134);
/* oklch */ color: oklch(37.6% 0.132 263.5);

Tailwind

colors: {
  custom: {
    50: '#6970aa',
    500: '#1a3b86',
    950: '#000000',
  },
}

SCSS

$custom: #1a3b86;
$custom-light: #6970aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3b86",
  "rgb": {
    "r": 26,
    "g": 59,
    "b": 134
  },
  "hsl": {
    "h": 221.667,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37616,
    "c": 0.13189,
    "h": 263.5
  },
  "luminance": 0.05069
}

Semantic roles & 50–950 ramp

primary

#1A3B86

secondary

#B99542

accent

#B63DEA

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3B86

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

Preview Lab → · Contrast checker → · Palette generator →