#1D2A8A#1D2A8A

#1D2A8A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.7% C 0.158 H 269.6°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A8A
RGB	rgb(29, 42, 138)
HSL	hsl(233, 65%, 33%)
HSV	hsv(233, 79%, 54%)
CMYK	cmyk(79%, 69.6%, 0%, 45.9%)
CIE-LAB	lab(22.83, 30.82, -54.61)
CIE-LCH	lch(22.83, 62.71, 299.44°)
OKLab	oklab(34.72% -0.0011 -0.1581)
OKLCH	oklch(34.72% 0.158 269.6)
XYZ	xyz(5.9205, 3.7515, 24.4519)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A8A #8A7D1D

analogous

#1D608A #1D2A8A #461D8A

triadic

#1D2A8A #8A1D2A #2A8A1D

tetradic

#1D2A8A #8A1D60 #8A7D1D #1D8A46

square

#1D2A8A #8A1D60 #8A7D1D #1D8A46

split-complementary

#1D2A8A #8A461D #608A1D

monochromatic

#080B25 #121B57 #1D2A8A #2839BD #495AD9

Accessibility & contrast

On white

12.00

#1D2A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1D2A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A8A

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A8A	#FFFFFF	#000000	##FFFFFF
##1D2A8A	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003188

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2a8a;
/* rgb */ color: rgb(29, 42, 138);
/* oklch */ color: oklch(34.7% 0.158 269.6);

Tailwind

colors: {
  custom: {
    50: '#6c63ad',
    500: '#1d2a8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a8a;
$custom-light: #6c63ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a8a",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 138
  },
  "hsl": {
    "h": 232.844,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3472,
    "c": 0.15809,
    "h": 269.6
  },
  "luminance": 0.03752
}

Semantic roles & 50–950 ramp

primary

#1D2A8A

secondary

#BBAD48

accent

#D440E8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2A8A

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

Preview Lab → · Contrast checker → · Palette generator →