#1D327B#1D327B

#1D327B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.8% C 0.127 H 267.2°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D327B
RGB	rgb(29, 50, 123)
HSL	hsl(227, 62%, 30%)
HSV	hsv(227, 76%, 48%)
CMYK	cmyk(76.4%, 59.3%, 0%, 51.8%)
CIE-LAB	lab(23.58, 19.47, -43.97)
CIE-LCH	lch(23.58, 48.09, 293.89°)
OKLab	oklab(34.85% -0.0062 -0.1268)
OKLCH	oklch(34.85% 0.127 267.2)
XYZ	xyz(5.2212, 3.9719, 19.2265)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D327B #7B661D

analogous

#1D617B #1D327B #371D7B

triadic

#1D327B #7B1D32 #327B1D

tetradic

#1D327B #7B1D61 #7B661D #1D7B37

square

#1D327B #7B1D61 #7B661D #1D7B37

split-complementary

#1D327B #7B371D #617B1D

monochromatic

#060A19 #111E49 #1D327B #2946AD #4061D2

Accessibility & contrast

On white

11.70

#1D327B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1D327B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D327B

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D327B	#FFFFFF	#000000	##FFFFFF
##1D327B	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7D

Deuteranopia (green-blind)

#00347A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d327b;
/* rgb */ color: rgb(29, 50, 123);
/* oklch */ color: oklch(34.8% 0.127 267.2);

Tailwind

colors: {
  custom: {
    50: '#6869a2',
    500: '#1d327b',
    950: '#000000',
  },
}

SCSS

$custom: #1d327b;
$custom-light: #6869a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d327b",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 123
  },
  "hsl": {
    "h": 226.596,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34848,
    "c": 0.12696,
    "h": 267.2
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#1D327B

secondary

#AF9745

accent

#C143E5

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D327B

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

Preview Lab → · Contrast checker → · Palette generator →