#1D2C8A#1D2C8A

#1D2C8A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.156 H 269.2°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C8A
RGB	rgb(29, 44, 138)
HSL	hsl(232, 65%, 33%)
HSV	hsv(232, 79%, 54%)
CMYK	cmyk(79%, 68.1%, 0%, 45.9%)
CIE-LAB	lab(23.33, 29.50, -53.80)
CIE-LCH	lch(23.33, 61.36, 298.73°)
OKLab	oklab(35.08% -0.0023 -0.1557)
OKLCH	oklch(35.08% 0.156 269.2)
XYZ	xyz(5.9932, 3.8969, 24.4761)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C8A #8A7B1D

analogous

#1D628A #1D2C8A #441D8A

triadic

#1D2C8A #8A1D2C #2C8A1D

tetradic

#1D2C8A #8A1D62 #8A7B1D #1D8A44

square

#1D2C8A #8A1D62 #8A7B1D #1D8A44

split-complementary

#1D2C8A #8A441D #628A1D

monochromatic

#080C25 #121C57 #1D2C8A #283CBD #495DD9

Accessibility & contrast

On white

11.80

#1D2C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1D2C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C8A

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C8A	#FFFFFF	#000000	##FFFFFF
##1D2C8A	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#003288

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2c8a;
/* rgb */ color: rgb(29, 44, 138);
/* oklch */ color: oklch(35.1% 0.156 269.2);

Tailwind

colors: {
  custom: {
    50: '#6c65ad',
    500: '#1d2c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c8a;
$custom-light: #6c65ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c8a",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 138
  },
  "hsl": {
    "h": 231.743,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35081,
    "c": 0.15572,
    "h": 269.2
  },
  "luminance": 0.03898
}

Semantic roles & 50–950 ramp

primary

#1D2C8A

secondary

#BBAB48

accent

#D140E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1D2C8A

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

Preview Lab → · Contrast checker → · Palette generator →