#1A315E#1A315E

#1A315E is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.1% C 0.085 H 262.3°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#1A315E
RGB	rgb(26, 49, 94)
HSL	hsl(220, 57%, 24%)
HSV	hsv(220, 72%, 37%)
CMYK	cmyk(72.3%, 47.9%, 0%, 63.1%)
CIE-LAB	lab(20.92, 7.90, -29.56)
CIE-LCH	lch(20.92, 30.60, 284.97°)
OKLab	oklab(32.09% -0.0114 -0.0845)
OKLCH	oklch(32.09% 0.085 262.3)
XYZ	xyz(3.5440, 3.2240, 11.0230)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A315E #5E471A

analogous

#1A535E #1A315E #251A5E

triadic

#1A315E #5E1A31 #315E1A

tetradic

#1A315E #5E1A53 #5E471A #1A5E25

square

#1A315E #5E1A53 #5E471A #1A5E25

split-complementary

#1A315E #5E251A #535E1A

monochromatic

#070C18 #0D182E #1A315E #274A8E #3563BE

Accessibility & contrast

On white

12.77

#1A315E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1A315E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A315E

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A315E	#FFFFFF	#000000	##FFFFFF
##1A315E	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3660

Deuteranopia (green-blind)

#0F2F5D

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a315e;
/* rgb */ color: rgb(26, 49, 94);
/* oklch */ color: oklch(32.1% 0.085 262.3);

Tailwind

colors: {
  custom: {
    50: '#5f688c',
    500: '#1a315e',
    950: '#000000',
  },
}

SCSS

$custom: #1a315e;
$custom-light: #5f688c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a315e",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 94
  },
  "hsl": {
    "h": 219.706,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.32087,
    "c": 0.08528,
    "h": 262.3
  },
  "luminance": 0.03224
}

Semantic roles & 50–950 ramp

primary

#1A315E

secondary

#947740

accent

#AD48E0

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1A315E

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

Preview Lab → · Contrast checker → · Palette generator →