#1D2973#1D2973

#1D2973 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.3% C 0.127 H 270.4°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#1D2973
RGB	rgb(29, 41, 115)
HSL	hsl(232, 60%, 28%)
HSV	hsv(232, 75%, 45%)
CMYK	cmyk(74.8%, 64.3%, 0%, 54.9%)
CIE-LAB	lab(20.38, 22.63, -44.08)
CIE-LCH	lch(20.38, 49.55, 297.18°)
OKLab	oklab(32.25% 0.0009 -0.1273)
OKLCH	oklch(32.25% 0.127 270.4)
XYZ	xyz(4.3931, 3.0844, 16.5802)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2973 #73671D

analogous

#1D5473 #1D2973 #3C1D73

triadic

#1D2973 #731D29 #29731D

tetradic

#1D2973 #731D54 #73671D #1D733C

square

#1D2973 #731D54 #73671D #1D733C

split-complementary

#1D2973 #733C1D #54731D

monochromatic

#060918 #111842 #1D2973 #293AA4 #3C51CE

Accessibility & contrast

On white

12.99

#1D2973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1D2973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2973

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2973	#FFFFFF	#000000	##FFFFFF
##1D2973	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003575

Deuteranopia (green-blind)

#002D72

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2973;
/* rgb */ color: rgb(29, 41, 115);
/* oklch */ color: oklch(32.3% 0.127 270.4);

Tailwind

colors: {
  custom: {
    50: '#66629c',
    500: '#1d2973',
    950: '#000000',
  },
}

SCSS

$custom: #1d2973;
$custom-light: #66629c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2973",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 115
  },
  "hsl": {
    "h": 231.628,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3225,
    "c": 0.12726,
    "h": 270.4
  },
  "luminance": 0.03085
}

Semantic roles & 50–950 ramp

primary

#1D2973

secondary

#A79945

accent

#CD45E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2973

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

Preview Lab → · Contrast checker → · Palette generator →