#1A285A#1A285A

#1A285A is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.092 H 268.5°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#1A285A
RGB	rgb(26, 40, 90)
HSL	hsl(227, 55%, 23%)
HSV	hsv(227, 71%, 35%)
CMYK	cmyk(71.1%, 55.6%, 0%, 64.7%)
CIE-LAB	lab(17.81, 12.82, -31.92)
CIE-LCH	lch(17.81, 34.39, 291.88°)
OKLab	oklab(29.62% -0.0024 -0.0916)
OKLCH	oklch(29.62% 0.092 268.5)
XYZ	xyz(3.0296, 2.4751, 9.9890)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A285A #5A4C1A

analogous

#1A485A #1A285A #2C1A5A

triadic

#1A285A #5A1A28 #285A1A

tetradic

#1A285A #5A1A48 #5A4C1A #1A5A2C

square

#1A285A #5A1A48 #5A4C1A #1A5A2C

split-complementary

#1A285A #5A2C1A #485A1A

monochromatic

#070B18 #0C132B #1A285A #283D89 #3552B9

Accessibility & contrast

On white

14.05

#1A285A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A285A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A285A

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A285A	#FFFFFF	#000000	##FFFFFF
##1A285A	1.00	14.05	1.50	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2F5C

Deuteranopia (green-blind)

#002959

Tritanopia (blue-blind)

#00343C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a285a;
/* rgb */ color: rgb(26, 40, 90);
/* oklch */ color: oklch(29.6% 0.092 268.5);

Tailwind

colors: {
  custom: {
    50: '#5f6189',
    500: '#1a285a',
    950: '#000000',
  },
}

SCSS

$custom: #1a285a;
$custom-light: #5f6189;
$custom-dark: #000000;

JSON

{
  "hex": "#1a285a",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 90
  },
  "hsl": {
    "h": 226.875,
    "s": 55.172,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29615,
    "c": 0.09163,
    "h": 268.5
  },
  "luminance": 0.02475
}

Semantic roles & 50–950 ramp

primary

#1A285A

secondary

#907E40

accent

#BE49DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050B

muted

#79797C

Preview Lab

Preview with #1A285A

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

Preview Lab → · Contrast checker → · Palette generator →