#1D2B8A#1D2B8A

#1D2B8A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.9% C 0.157 H 269.4°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B8A
RGB	rgb(29, 43, 138)
HSL	hsl(232, 65%, 33%)
HSV	hsv(232, 79%, 54%)
CMYK	cmyk(79%, 68.8%, 0%, 45.9%)
CIE-LAB	lab(23.08, 30.16, -54.21)
CIE-LCH	lch(23.08, 62.04, 299.09°)
OKLab	oklab(34.9% -0.0017 -0.1569)
OKLCH	oklch(34.9% 0.157 269.4)
XYZ	xyz(5.9564, 3.8233, 24.4639)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B8A #8A7C1D

analogous

#1D618A #1D2B8A #461D8A

triadic

#1D2B8A #8A1D2B #2B8A1D

tetradic

#1D2B8A #8A1D61 #8A7C1D #1D8A46

square

#1D2B8A #8A1D61 #8A7C1D #1D8A46

split-complementary

#1D2B8A #8A461D #618A1D

monochromatic

#080B25 #121B57 #1D2B8A #283BBD #495BD9

Accessibility & contrast

On white

11.90

#1D2B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D2B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B8A

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B8A	#FFFFFF	#000000	##FFFFFF
##1D2B8A	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003288

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2b8a;
/* rgb */ color: rgb(29, 43, 138);
/* oklch */ color: oklch(34.9% 0.157 269.4);

Tailwind

colors: {
  custom: {
    50: '#6c64ad',
    500: '#1d2b8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b8a;
$custom-light: #6c64ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b8a",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 138
  },
  "hsl": {
    "h": 232.294,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34899,
    "c": 0.15691,
    "h": 269.4
  },
  "luminance": 0.03824
}

Semantic roles & 50–950 ramp

primary

#1D2B8A

secondary

#BBAC48

accent

#D340E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1D2B8A

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

Preview Lab → · Contrast checker → · Palette generator →