#1A305D#1A305D

#1A305D is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.8% C 0.085 H 262.9°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#1A305D
RGB	rgb(26, 48, 93)
HSL	hsl(220, 56%, 23%)
HSV	hsv(220, 72%, 36%)
CMYK	cmyk(72%, 48.4%, 0%, 63.5%)
CIE-LAB	lab(20.53, 8.21, -29.52)
CIE-LCH	lch(20.53, 30.64, 285.55°)
OKLab	oklab(31.77% -0.0105 -0.0844)
OKLCH	oklch(31.77% 0.085 262.9)
XYZ	xyz(3.4580, 3.1235, 10.7745)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A305D #5D471A

analogous

#1A515D #1A305D #251A5D

triadic

#1A305D #5D1A30 #305D1A

tetradic

#1A305D #5D1A51 #5D471A #1A5D25

square

#1A305D #5D1A51 #5D471A #1A5D25

split-complementary

#1A305D #5D251A #515D1A

monochromatic

#070C18 #0D172D #1A305D #27498D #3561BD

Accessibility & contrast

On white

12.92

#1A305D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1A305D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A305D

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A305D	#FFFFFF	#000000	##FFFFFF
##1A305D	1.00	12.92	1.62	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A355F

Deuteranopia (green-blind)

#0E2F5C

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1a305d;
/* rgb */ color: rgb(26, 48, 93);
/* oklch */ color: oklch(31.8% 0.085 262.9);

Tailwind

colors: {
  custom: {
    50: '#5f678b',
    500: '#1a305d',
    950: '#000000',
  },
}

SCSS

$custom: #1a305d;
$custom-light: #5f678b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a305d",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 93
  },
  "hsl": {
    "h": 220.299,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.31766,
    "c": 0.08508,
    "h": 262.9
  },
  "luminance": 0.03124
}

Semantic roles & 50–950 ramp

primary

#1A305D

secondary

#937840

accent

#AE48E0

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1A305D

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

Preview Lab → · Contrast checker → · Palette generator →