#1D2F72#1D2F72

#1D2F72 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.4% C 0.118 H 268.0°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F72
RGB	rgb(29, 47, 114)
HSL	hsl(227, 59%, 28%)
HSV	hsv(227, 75%, 45%)
CMYK	cmyk(74.6%, 58.8%, 0%, 55.3%)
CIE-LAB	lab(21.98, 17.99, -40.84)
CIE-LCH	lch(21.98, 44.62, 293.77°)
OKLab	oklab(33.41% -0.0041 -0.1176)
OKLCH	oklch(33.41% 0.118 268)
XYZ	xyz(4.5594, 3.5087, 16.3533)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F72 #72601D

analogous

#1D5972 #1D2F72 #351D72

triadic

#1D2F72 #721D2F #2F721D

tetradic

#1D2F72 #721D59 #72601D #1D7235

square

#1D2F72 #721D59 #72601D #1D7235

split-complementary

#1D2F72 #72351D #59721D

monochromatic

#060A18 #111B41 #1D2F72 #2943A3 #3C5BCD

Accessibility & contrast

On white

12.34

#1D2F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D2F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F72

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F72	#FFFFFF	#000000	##FFFFFF
##1D2F72	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003974

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2f72;
/* rgb */ color: rgb(29, 47, 114);
/* oklch */ color: oklch(33.4% 0.118 268.0);

Tailwind

colors: {
  custom: {
    50: '#66679b',
    500: '#1d2f72',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f72;
$custom-light: #66679b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f72",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 114
  },
  "hsl": {
    "h": 227.294,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33412,
    "c": 0.11772,
    "h": 268
  },
  "luminance": 0.03509
}

Semantic roles & 50–950 ramp

primary

#1D2F72

secondary

#A69245

accent

#C145E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D2F72

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

Preview Lab → · Contrast checker → · Palette generator →