#1A285B#1A285B

#1A285B is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.7% C 0.093 H 268.6°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A285B
RGB	rgb(26, 40, 91)
HSL	hsl(227, 56%, 23%)
HSV	hsv(227, 71%, 36%)
CMYK	cmyk(71.4%, 56%, 0%, 64.3%)
CIE-LAB	lab(17.88, 13.23, -32.46)
CIE-LCH	lch(17.88, 35.05, 292.17°)
OKLab	oklab(29.7% -0.0023 -0.0932)
OKLCH	oklch(29.7% 0.093 268.6)
XYZ	xyz(3.0725, 2.4922, 10.2146)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A285B #5B4D1A

analogous

#1A485B #1A285B #2C1A5B

triadic

#1A285B #5B1A28 #285B1A

tetradic

#1A285B #5B1A48 #5B4D1A #1A5B2C

square

#1A285B #5B1A48 #5B4D1A #1A5B2C

split-complementary

#1A285B #5B2C1A #485B1A

monochromatic

#070A18 #0C132B #1A285B #283D8B #3552BA

Accessibility & contrast

On white

14.01

#1A285B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A285B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A285B

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A285B	#FFFFFF	#000000	##FFFFFF
##1A285B	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082F5D

Deuteranopia (green-blind)

#00295A

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a285b;
/* rgb */ color: rgb(26, 40, 91);
/* oklch */ color: oklch(29.7% 0.093 268.6);

Tailwind

colors: {
  custom: {
    50: '#5f618a',
    500: '#1a285b',
    950: '#000000',
  },
}

SCSS

$custom: #1a285b;
$custom-light: #5f618a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a285b",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 91
  },
  "hsl": {
    "h": 227.077,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29699,
    "c": 0.09322,
    "h": 268.6
  },
  "luminance": 0.02493
}

Semantic roles & 50–950 ramp

primary

#1A285B

secondary

#918040

accent

#BF49DF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #1A285B

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

Preview Lab → · Contrast checker → · Palette generator →