#1A305A#1A305A

#1A305A is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.5% C 0.080 H 262.0°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A305A
RGB	rgb(26, 48, 90)
HSL	hsl(219, 55%, 23%)
HSV	hsv(219, 71%, 35%)
CMYK	cmyk(71.1%, 46.7%, 0%, 64.7%)
CIE-LAB	lab(20.33, 6.99, -27.87)
CIE-LCH	lch(20.33, 28.73, 284.08°)
OKLab	oklab(31.54% -0.0112 -0.0795)
OKLCH	oklch(31.54% 0.08 262)
XYZ	xyz(3.3278, 3.0714, 10.0883)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A305A #5A441A

analogous

#1A505A #1A305A #241A5A

triadic

#1A305A #5A1A30 #305A1A

tetradic

#1A305A #5A1A50 #5A441A #1A5A24

square

#1A305A #5A1A50 #5A441A #1A5A24

split-complementary

#1A305A #5A241A #505A1A

monochromatic

#070D18 #0C172B #1A305A #284989 #3563B9

Accessibility & contrast

On white

13.01

#1A305A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1A305A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A305A

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A305A	#FFFFFF	#000000	##FFFFFF
##1A305A	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C345C

Deuteranopia (green-blind)

#122E59

Tritanopia (blue-blind)

#003A40

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1a305a;
/* rgb */ color: rgb(26, 48, 90);
/* oklch */ color: oklch(31.5% 0.080 262.0);

Tailwind

colors: {
  custom: {
    50: '#5f6789',
    500: '#1a305a',
    950: '#000000',
  },
}

SCSS

$custom: #1a305a;
$custom-light: #5f6789;
$custom-dark: #000000;

JSON

{
  "hex": "#1a305a",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 90
  },
  "hsl": {
    "h": 219.375,
    "s": 55.172,
    "l": 22.745
  },
  "oklch": {
    "l": 0.31543,
    "c": 0.08033,
    "h": 262
  },
  "luminance": 0.03072
}

Semantic roles & 50–950 ramp

primary

#1A305A

secondary

#907440

accent

#AB49DF

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1A305A

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

Preview Lab → · Contrast checker → · Palette generator →