#1D2872#1D2872

#1D2872 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.0% C 0.127 H 270.8°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#1D2872
RGB	rgb(29, 40, 114)
HSL	hsl(232, 59%, 28%)
HSV	hsv(232, 75%, 45%)
CMYK	cmyk(74.6%, 64.9%, 0%, 55.3%)
CIE-LAB	lab(20.02, 22.94, -44.03)
CIE-LCH	lch(20.02, 49.64, 297.52°)
OKLab	oklab(31.95% 0.0017 -0.1271)
OKLCH	oklch(31.95% 0.127 270.8)
XYZ	xyz(4.3017, 2.9933, 16.2674)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2872 #72671D

analogous

#1D5272 #1D2872 #3C1D72

triadic

#1D2872 #721D28 #28721D

tetradic

#1D2872 #721D52 #72671D #1D723C

square

#1D2872 #721D52 #72671D #1D723C

split-complementary

#1D2872 #723C1D #52721D

monochromatic

#060918 #111741 #1D2872 #2939A3 #3C4FCD

Accessibility & contrast

On white

13.13

#1D2872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D2872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2872

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2872	#FFFFFF	#000000	##FFFFFF
##1D2872	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003474

Deuteranopia (green-blind)

#002C71

Tritanopia (blue-blind)

#003B49

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2872;
/* rgb */ color: rgb(29, 40, 114);
/* oklch */ color: oklch(32.0% 0.127 270.8);

Tailwind

colors: {
  custom: {
    50: '#66619b',
    500: '#1d2872',
    950: '#000000',
  },
}

SCSS

$custom: #1d2872;
$custom-light: #66619b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2872",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 114
  },
  "hsl": {
    "h": 232.235,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31954,
    "c": 0.12713,
    "h": 270.8
  },
  "luminance": 0.02994
}

Semantic roles & 50–950 ramp

primary

#1D2872

secondary

#A69A45

accent

#CE45E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2872

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

Preview Lab → · Contrast checker → · Palette generator →