#1A285C#1A285C

#1A285C is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.8% C 0.095 H 268.7°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#1A285C
RGB	rgb(26, 40, 92)
HSL	hsl(227, 56%, 23%)
HSV	hsv(227, 72%, 36%)
CMYK	cmyk(71.7%, 56.5%, 0%, 63.9%)
CIE-LAB	lab(17.96, 13.64, -32.99)
CIE-LCH	lch(17.96, 35.70, 292.45°)
OKLab	oklab(29.78% -0.0022 -0.0948)
OKLCH	oklch(29.78% 0.095 268.7)
XYZ	xyz(3.1159, 2.5096, 10.4433)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A285C #5C4E1A

analogous

#1A495C #1A285C #2D1A5C

triadic

#1A285C #5C1A28 #285C1A

tetradic

#1A285C #5C1A49 #5C4E1A #1A5C2D

square

#1A285C #5C1A49 #5C4E1A #1A5C2D

split-complementary

#1A285C #5C2D1A #495C1A

monochromatic

#070A18 #0D132C #1A285C #273D8C #3551BB

Accessibility & contrast

On white

13.98

#1A285C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A285C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A285C

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A285C	#FFFFFF	#000000	##FFFFFF
##1A285C	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072F5E

Deuteranopia (green-blind)

#00295B

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a285c;
/* rgb */ color: rgb(26, 40, 92);
/* oklch */ color: oklch(29.8% 0.095 268.7);

Tailwind

colors: {
  custom: {
    50: '#5f618b',
    500: '#1a285c',
    950: '#000000',
  },
}

SCSS

$custom: #1a285c;
$custom-light: #5f618b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a285c",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 92
  },
  "hsl": {
    "h": 227.273,
    "s": 55.932,
    "l": 23.137
  },
  "oklch": {
    "l": 0.29784,
    "c": 0.09479,
    "h": 268.7
  },
  "luminance": 0.0251
}

Semantic roles & 50–950 ramp

primary

#1A285C

secondary

#928140

accent

#BF49DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #1A285C

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

Preview Lab → · Contrast checker → · Palette generator →