#1D2874#1D2874

#1D2874 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.1% C 0.130 H 270.7°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D2874
RGB	rgb(29, 40, 116)
HSL	hsl(232, 60%, 28%)
HSV	hsv(232, 75%, 45%)
CMYK	cmyk(75%, 65.5%, 0%, 54.5%)
CIE-LAB	lab(20.20, 23.72, -45.01)
CIE-LCH	lch(20.20, 50.88, 297.79°)
OKLab	oklab(32.15% 0.0017 -0.13)
OKLCH	oklch(32.15% 0.13 270.7)
XYZ	xyz(4.4168, 3.0393, 16.8735)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2874 #74691D

analogous

#1D5374 #1D2874 #3D1D74

triadic

#1D2874 #741D28 #28741D

tetradic

#1D2874 #741D53 #74691D #1D743D

square

#1D2874 #741D53 #74691D #1D743D

split-complementary

#1D2874 #743D1D #53741D

monochromatic

#060818 #111743 #1D2874 #2939A5 #3D4FCE

Accessibility & contrast

On white

13.06

#1D2874 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1D2874 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2874

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2874	#FFFFFF	#000000	##FFFFFF
##1D2874	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003576

Deuteranopia (green-blind)

#002D73

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2874;
/* rgb */ color: rgb(29, 40, 116);
/* oklch */ color: oklch(32.1% 0.130 270.7);

Tailwind

colors: {
  custom: {
    50: '#67619d',
    500: '#1d2874',
    950: '#000000',
  },
}

SCSS

$custom: #1d2874;
$custom-light: #67619d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2874",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 116
  },
  "hsl": {
    "h": 232.414,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32147,
    "c": 0.13002,
    "h": 270.7
  },
  "luminance": 0.0304
}

Semantic roles & 50–950 ramp

primary

#1D2874

secondary

#A89C45

accent

#CF45E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2874

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

Preview Lab → · Contrast checker → · Palette generator →