#1D2A7E#1D2A7E

#1D2A7E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.142 H 269.9°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A7E
RGB	rgb(29, 42, 126)
HSL	hsl(232, 63%, 30%)
HSV	hsv(232, 77%, 49%)
CMYK	cmyk(77%, 66.7%, 0%, 50.6%)
CIE-LAB	lab(21.66, 26.23, -48.99)
CIE-LCH	lch(21.66, 55.57, 298.17°)
OKLab	oklab(33.51% -0.0002 -0.1416)
OKLCH	oklch(33.51% 0.142 269.9)
XYZ	xyz(5.0993, 3.4230, 20.1266)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A7E #7E711D

analogous

#1D5A7E #1D2A7E #401D7E

triadic

#1D2A7E #7E1D2A #2A7E1D

tetradic

#1D2A7E #7E1D5A #7E711D #1D7E40

square

#1D2A7E #7E1D5A #7E711D #1D7E40

split-complementary

#1D2A7E #7E401D #5A7E1D

monochromatic

#06091B #12194C #1D2A7E #283BB0 #4255D3

Accessibility & contrast

On white

12.47

#1D2A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A7E

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A7E	#FFFFFF	#000000	##FFFFFF
##1D2A7E	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2a7e;
/* rgb */ color: rgb(29, 42, 126);
/* oklch */ color: oklch(33.5% 0.142 269.9);

Tailwind

colors: {
  custom: {
    50: '#6963a4',
    500: '#1d2a7e',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a7e;
$custom-light: #6963a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a7e",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 126
  },
  "hsl": {
    "h": 231.959,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33511,
    "c": 0.14165,
    "h": 269.9
  },
  "luminance": 0.03423
}

Semantic roles & 50–950 ramp

primary

#1D2A7E

secondary

#B1A345

accent

#D042E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2A7E

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

Preview Lab → · Contrast checker → · Palette generator →