#1D2772#1D2772

#1D2772 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.128 H 271.1°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D2772
RGB	rgb(29, 39, 114)
HSL	hsl(233, 59%, 28%)
HSV	hsv(233, 75%, 45%)
CMYK	cmyk(74.6%, 65.8%, 0%, 55.3%)
CIE-LAB	lab(19.75, 23.64, -44.47)
CIE-LCH	lch(19.75, 50.36, 297.99°)
OKLab	oklab(31.76% 0.0025 -0.1284)
OKLCH	oklch(31.76% 0.128 271.1)
XYZ	xyz(4.2684, 2.9267, 16.2563)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2772 #72681D

analogous

#1D5172 #1D2772 #3D1D72

triadic

#1D2772 #721D27 #27721D

tetradic

#1D2772 #721D51 #72681D #1D723D

square

#1D2772 #721D51 #72681D #1D723D

split-complementary

#1D2772 #723D1D #51721D

monochromatic

#060818 #111641 #1D2772 #2938A3 #3C4DCD

Accessibility & contrast

On white

13.25

#1D2772 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D2772 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2772

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2772	#FFFFFF	#000000	##FFFFFF
##1D2772	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003474

Deuteranopia (green-blind)

#002C71

Tritanopia (blue-blind)

#003A48

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2772;
/* rgb */ color: rgb(29, 39, 114);
/* oklch */ color: oklch(31.8% 0.128 271.1);

Tailwind

colors: {
  custom: {
    50: '#66619b',
    500: '#1d2772',
    950: '#000000',
  },
}

SCSS

$custom: #1d2772;
$custom-light: #66619b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2772",
  "rgb": {
    "r": 29,
    "g": 39,
    "b": 114
  },
  "hsl": {
    "h": 232.941,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31756,
    "c": 0.12844,
    "h": 271.1
  },
  "luminance": 0.02927
}

Semantic roles & 50–950 ramp

primary

#1D2772

secondary

#A69B45

accent

#D045E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2772

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

Preview Lab → · Contrast checker → · Palette generator →