#1A287A#1A287A

#1A287A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.139 H 269.3°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A287A
RGB	rgb(26, 40, 122)
HSL	hsl(231, 65%, 29%)
HSV	hsv(231, 79%, 48%)
CMYK	cmyk(78.7%, 67.2%, 0%, 52.2%)
CIE-LAB	lab(20.60, 25.70, -48.20)
CIE-LCH	lch(20.60, 54.62, 298.07°)
OKLab	oklab(32.57% -0.0018 -0.1394)
OKLCH	oklch(32.57% 0.139 269.3)
XYZ	xyz(4.6964, 3.1418, 18.7675)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A287A #7A6C1A

analogous

#1A587A #1A287A #3C1A7A

triadic

#1A287A #7A1A28 #287A1A

tetradic

#1A287A #7A1A58 #7A6C1A #1A7A3C

square

#1A287A #7A1A58 #7A6C1A #1A7A3C

split-complementary

#1A287A #7A3C1A #587A1A

monochromatic

#050819 #0F1748 #1A287A #2539AC #3950D5

Accessibility & contrast

On white

12.90

#1A287A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1A287A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A287A

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A287A	#FFFFFF	#000000	##FFFFFF
##1A287A	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367D

Deuteranopia (green-blind)

#002D78

Tritanopia (blue-blind)

#003E4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a287a;
/* rgb */ color: rgb(26, 40, 122);
/* oklch */ color: oklch(32.6% 0.139 269.3);

Tailwind

colors: {
  custom: {
    50: '#6762a1',
    500: '#1a287a',
    950: '#000000',
  },
}

SCSS

$custom: #1a287a;
$custom-light: #6762a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a287a",
  "rgb": {
    "r": 26,
    "g": 40,
    "b": 122
  },
  "hsl": {
    "h": 231.25,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32572,
    "c": 0.13941,
    "h": 269.3
  },
  "luminance": 0.03142
}

Semantic roles & 50–950 ramp

primary

#1A287A

secondary

#AE9E41

accent

#CF40E8

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1A287A

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

Preview Lab → · Contrast checker → · Palette generator →