#1D2C71#1D2C71

#1D2C71 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.7% C 0.120 H 269.3°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C71
RGB	rgb(29, 44, 113)
HSL	hsl(229, 59%, 28%)
HSV	hsv(229, 74%, 44%)
CMYK	cmyk(74.3%, 61.1%, 0%, 55.7%)
CIE-LAB	lab(21.04, 19.72, -41.72)
CIE-LCH	lch(21.04, 46.15, 295.30°)
OKLab	oklab(32.68% -0.0015 -0.1203)
OKLCH	oklch(32.68% 0.12 269.3)
XYZ	xyz(4.3870, 3.2544, 16.0165)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C71 #71621D

analogous

#1D5671 #1D2C71 #381D71

triadic

#1D2C71 #711D2C #2C711D

tetradic

#1D2C71 #711D56 #71621D #1D7138

square

#1D2C71 #711D56 #71621D #1D7138

split-complementary

#1D2C71 #71381D #56711D

monochromatic

#060918 #111940 #1D2C71 #293FA2 #3C56CD

Accessibility & contrast

On white

12.72

#1D2C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D2C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C71

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C71	#FFFFFF	#000000	##FFFFFF
##1D2C71	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#002F70

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2c71;
/* rgb */ color: rgb(29, 44, 113);
/* oklch */ color: oklch(32.7% 0.120 269.3);

Tailwind

colors: {
  custom: {
    50: '#66649a',
    500: '#1d2c71',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c71;
$custom-light: #66649a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c71",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 113
  },
  "hsl": {
    "h": 229.286,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32682,
    "c": 0.12031,
    "h": 269.3
  },
  "luminance": 0.03255
}

Semantic roles & 50–950 ramp

primary

#1D2C71

secondary

#A59444

accent

#C645E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1D2C71

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

Preview Lab → · Contrast checker → · Palette generator →