#1D3072#1D3072

#1D3072 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.116 H 267.6°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#1D3072
RGB	rgb(29, 48, 114)
HSL	hsl(227, 59%, 28%)
HSV	hsv(227, 75%, 45%)
CMYK	cmyk(74.6%, 57.9%, 0%, 55.3%)
CIE-LAB	lab(22.27, 17.27, -40.37)
CIE-LCH	lch(22.27, 43.91, 293.17°)
OKLab	oklab(33.63% -0.005 -0.1162)
OKLCH	oklch(33.63% 0.116 267.6)
XYZ	xyz(4.5999, 3.5895, 16.3668)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3072 #725F1D

analogous

#1D5A72 #1D3072 #341D72

triadic

#1D3072 #721D30 #30721D

tetradic

#1D3072 #721D5A #725F1D #1D7234

square

#1D3072 #721D5A #725F1D #1D7234

split-complementary

#1D3072 #72341D #5A721D

monochromatic

#060A18 #111B41 #1D3072 #2945A3 #3C5DCD

Accessibility & contrast

On white

12.22

#1D3072 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D3072 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3072

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3072	#FFFFFF	#000000	##FFFFFF
##1D3072	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003974

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d3072;
/* rgb */ color: rgb(29, 48, 114);
/* oklch */ color: oklch(33.6% 0.116 267.6);

Tailwind

colors: {
  custom: {
    50: '#66679b',
    500: '#1d3072',
    950: '#000000',
  },
}

SCSS

$custom: #1d3072;
$custom-light: #66679b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3072",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 114
  },
  "hsl": {
    "h": 226.588,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3363,
    "c": 0.11636,
    "h": 267.6
  },
  "luminance": 0.0359
}

Semantic roles & 50–950 ramp

primary

#1D3072

secondary

#A69045

accent

#BF45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D3072

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

Preview Lab → · Contrast checker → · Palette generator →