#1A3566#1A3566

#1A3566 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.092 H 261.2°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#1A3566
RGB	rgb(26, 53, 102)
HSL	hsl(219, 59%, 25%)
HSV	hsv(219, 75%, 40%)
CMYK	cmyk(74.5%, 48%, 0%, 60%)
CIE-LAB	lab(22.74, 8.32, -31.87)
CIE-LCH	lch(22.74, 32.94, 284.64°)
OKLab	oklab(33.66% -0.0141 -0.0912)
OKLCH	oklch(33.66% 0.092 261.2)
XYZ	xyz(4.0965, 3.7247, 13.0708)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3566 #664B1A

analogous

#1A5B66 #1A3566 #251A66

triadic

#1A3566 #661A35 #35661A

tetradic

#1A3566 #661A5B #664B1A #1A6625

square

#1A3566 #661A5B #664B1A #1A6625

split-complementary

#1A3566 #66251A #5B661A

monochromatic

#060D18 #0E1C35 #1A3566 #264E97 #3368C8

Accessibility & contrast

On white

12.03

#1A3566 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1A3566 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3566

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3566	#FFFFFF	#000000	##FFFFFF
##1A3566	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3A68

Deuteranopia (green-blind)

#0D3365

Tritanopia (blue-blind)

#004048

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a3566;
/* rgb */ color: rgb(26, 53, 102);
/* oklch */ color: oklch(33.7% 0.092 261.2);

Tailwind

colors: {
  custom: {
    50: '#616b92',
    500: '#1a3566',
    950: '#000000',
  },
}

SCSS

$custom: #1a3566;
$custom-light: #616b92;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3566",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 102
  },
  "hsl": {
    "h": 218.684,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.33664,
    "c": 0.09231,
    "h": 261.2
  },
  "luminance": 0.03725
}

Semantic roles & 50–950 ramp

primary

#1A3566

secondary

#9C7B40

accent

#AB45E3

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #1A3566

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

Preview Lab → · Contrast checker → · Palette generator →