#1D328B#1D328B

#1D328B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.150 H 267.7°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D328B
RGB	rgb(29, 50, 139)
HSL	hsl(229, 65%, 33%)
HSV	hsv(229, 79%, 55%)
CMYK	cmyk(79.1%, 64%, 0%, 45.5%)
CIE-LAB	lab(24.97, 25.82, -51.73)
CIE-LCH	lch(24.97, 57.82, 296.52°)
OKLab	oklab(36.32% -0.006 -0.1496)
OKLCH	oklch(36.32% 0.15 267.7)
XYZ	xyz(6.3059, 4.4058, 24.9392)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D328B #8B761D

analogous

#1D698B #1D328B #3F1D8B

triadic

#1D328B #8B1D32 #328B1D

tetradic

#1D328B #8B1D69 #8B761D #1D8B3F

square

#1D328B #8B1D69 #8B761D #1D8B3F

split-complementary

#1D328B #8B3F1D #698B1D

monochromatic

#080E26 #122058 #1D328B #2844BE #4965D9

Accessibility & contrast

On white

11.16

#1D328B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D328B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D328B

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D328B	#FFFFFF	#000000	##FFFFFF
##1D328B	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#003689

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d328b;
/* rgb */ color: rgb(29, 50, 139);
/* oklch */ color: oklch(36.3% 0.150 267.7);

Tailwind

colors: {
  custom: {
    50: '#6c69ae',
    500: '#1d328b',
    950: '#000000',
  },
}

SCSS

$custom: #1d328b;
$custom-light: #6c69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d328b",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 139
  },
  "hsl": {
    "h": 228.545,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36317,
    "c": 0.14971,
    "h": 267.7
  },
  "luminance": 0.04406
}

Semantic roles & 50–950 ramp

primary

#1D328B

secondary

#BBA549

accent

#C83FE8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D328B

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

Preview Lab → · Contrast checker → · Palette generator →