#1A2D9F#1A2D9F

#1A2D9F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.183 H 267.7°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1A2D9F
RGB	rgb(26, 45, 159)
HSL	hsl(231, 72%, 36%)
HSV	hsv(231, 84%, 62%)
CMYK	cmyk(83.6%, 71.7%, 0%, 37.6%)
CIE-LAB	lab(25.56, 36.46, -63.07)
CIE-LCH	lch(25.56, 72.85, 300.03°)
OKLab	oklab(37.31% -0.0073 -0.1828)
OKLCH	oklch(37.31% 0.183 267.7)
XYZ	xyz(7.6202, 4.5987, 33.2802)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2D9F #9F8C1A

analogous

#1A709F #1A2D9F #4A1A9F

triadic

#1A2D9F #9F1A2D #2D9F1A

tetradic

#1A2D9F #9F1A70 #9F8C1A #1A9F4A

square

#1A2D9F #9F1A70 #9F8C1A #1A9F4A

split-complementary

#1A2D9F #9F4A1A #709F1A

monochromatic

#090F36 #111E6A #1A2D9F #233CD4 #5166E3

Accessibility & contrast

On white

10.94

#1A2D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A2D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2D9F

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2D9F	#FFFFFF	#000000	##FFFFFF
##1A2D9F	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a2d9f;
/* rgb */ color: rgb(26, 45, 159);
/* oklch */ color: oklch(37.3% 0.183 267.7);

Tailwind

colors: {
  custom: {
    50: '#7166bd',
    500: '#1a2d9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a2d9f;
$custom-light: #7166bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2d9f",
  "rgb": {
    "r": 26,
    "g": 45,
    "b": 159
  },
  "hsl": {
    "h": 231.429,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37305,
    "c": 0.18293,
    "h": 267.7
  },
  "luminance": 0.046
}

Semantic roles & 50–950 ramp

primary

#1A2D9F

secondary

#C5B450

accent

#D539EF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1A2D9F

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

Preview Lab → · Contrast checker → · Palette generator →