#1D3472#1D3472

#1D3472 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.111 H 265.6°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D3472
RGB	rgb(29, 52, 114)
HSL	hsl(224, 59%, 28%)
HSV	hsv(224, 75%, 45%)
CMYK	cmyk(74.6%, 54.4%, 0%, 55.3%)
CIE-LAB	lab(23.44, 14.42, -38.46)
CIE-LCH	lch(23.44, 41.07, 290.56°)
OKLab	oklab(34.52% -0.0086 -0.1106)
OKLCH	oklch(34.52% 0.111 265.6)
XYZ	xyz(4.7709, 3.9316, 16.4238)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3472 #725B1D

analogous

#1D5E72 #1D3472 #301D72

triadic

#1D3472 #721D34 #34721D

tetradic

#1D3472 #721D5E #725B1D #1D7230

square

#1D3472 #721D5E #725B1D #1D7230

split-complementary

#1D3472 #72301D #5E721D

monochromatic

#060B18 #111E41 #1D3472 #294AA3 #3C63CD

Accessibility & contrast

On white

11.76

#1D3472 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1D3472 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3472

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3472	#FFFFFF	#000000	##FFFFFF
##1D3472	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3C74

Deuteranopia (green-blind)

#003471

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d3472;
/* rgb */ color: rgb(29, 52, 114);
/* oklch */ color: oklch(34.5% 0.111 265.6);

Tailwind

colors: {
  custom: {
    50: '#656b9b',
    500: '#1d3472',
    950: '#000000',
  },
}

SCSS

$custom: #1d3472;
$custom-light: #656b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3472",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 114
  },
  "hsl": {
    "h": 223.765,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3452,
    "c": 0.1109,
    "h": 265.6
  },
  "luminance": 0.03932
}

Semantic roles & 50–950 ramp

primary

#1D3472

secondary

#A68C45

accent

#B845E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D3472

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

Preview Lab → · Contrast checker → · Palette generator →