#1A287E#1A287E

#1A287E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.145 H 269.2°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#1A287E
RGB	rgb(26, 40, 126)
HSL	hsl(232, 66%, 30%)
HSV	hsv(232, 79%, 49%)
CMYK	cmyk(79.4%, 68.3%, 0%, 50.6%)
CIE-LAB	lab(20.99, 27.27, -50.10)
CIE-LCH	lch(20.99, 57.04, 298.56°)
OKLab	oklab(32.98% -0.0021 -0.145)
OKLCH	oklch(32.98% 0.145 269.2)
XYZ	xyz(4.9494, 3.2430, 20.0997)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A287E #7E701A

analogous

#1A5A7E #1A287E #3E1A7E

triadic

#1A287E #7E1A28 #287E1A

tetradic

#1A287E #7E1A5A #7E701A #1A7E3E

square

#1A287E #7E1A5A #7E701A #1A7E3E

split-complementary

#1A287E #7E3E1A #5A7E1A

monochromatic

#050819 #10184B #1A287E #2438B1 #3C51D7

Accessibility & contrast

On white

12.74

#1A287E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1A287E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A287E

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A287E	#FFFFFF	#000000	##FFFFFF
##1A287E	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a287e;
/* rgb */ color: rgb(26, 40, 126);
/* oklch */ color: oklch(33.0% 0.145 269.2);

Tailwind

colors: {
  custom: {
    50: '#6862a4',
    500: '#1a287e',
    950: '#000000',
  },
}

SCSS

$custom: #1a287e;
$custom-light: #6862a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a287e",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 126
  },
  "hsl": {
    "h": 231.6,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32976,
    "c": 0.14498,
    "h": 269.2
  },
  "luminance": 0.03244
}

Semantic roles & 50–950 ramp

primary

#1A287E

secondary

#B2A242

accent

#D13FE9

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1A287E

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

Preview Lab → · Contrast checker → · Palette generator →