#1D328A#1D328A

#1D328A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.148 H 267.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D328A
RGB	rgb(29, 50, 138)
HSL	hsl(228, 65%, 33%)
HSV	hsv(228, 79%, 54%)
CMYK	cmyk(79%, 63.8%, 0%, 45.9%)
CIE-LAB	lab(24.88, 25.43, -51.26)
CIE-LCH	lch(24.88, 57.22, 296.38°)
OKLab	oklab(36.22% -0.006 -0.1482)
OKLCH	oklch(36.22% 0.148 267.7)
XYZ	xyz(6.2331, 4.3767, 24.5561)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D328A #8A751D

analogous

#1D698A #1D328A #3E1D8A

triadic

#1D328A #8A1D32 #328A1D

tetradic

#1D328A #8A1D69 #8A751D #1D8A3E

square

#1D328A #8A1D69 #8A751D #1D8A3E

split-complementary

#1D328A #8A3E1D #698A1D

monochromatic

#080D25 #122057 #1D328A #2844BD #4964D9

Accessibility & contrast

On white

11.20

#1D328A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D328A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D328A

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D328A	#FFFFFF	#000000	##FFFFFF
##1D328A	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d328a;
/* rgb */ color: rgb(29, 50, 138);
/* oklch */ color: oklch(36.2% 0.148 267.7);

Tailwind

colors: {
  custom: {
    50: '#6c69ad',
    500: '#1d328a',
    950: '#000000',
  },
}

SCSS

$custom: #1d328a;
$custom-light: #6c69ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d328a",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 138
  },
  "hsl": {
    "h": 228.44,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36222,
    "c": 0.14833,
    "h": 267.7
  },
  "luminance": 0.04377
}

Semantic roles & 50–950 ramp

primary

#1D328A

secondary

#BBA548

accent

#C840E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D328A

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

Preview Lab → · Contrast checker → · Palette generator →