#1D2D74#1D2D74

#1D2D74 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.123 H 268.9°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D74
RGB	rgb(29, 45, 116)
HSL	hsl(229, 60%, 28%)
HSV	hsv(229, 75%, 45%)
CMYK	cmyk(75%, 61.2%, 0%, 54.5%)
CIE-LAB	lab(21.57, 20.21, -42.77)
CIE-LCH	lch(21.57, 47.30, 295.29°)
OKLab	oklab(33.16% -0.0023 -0.1234)
OKLCH	oklch(33.16% 0.123 268.9)
XYZ	xyz(4.5964, 3.3985, 16.9333)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D74 #74641D

analogous

#1D5874 #1D2D74 #381D74

triadic

#1D2D74 #741D2D #2D741D

tetradic

#1D2D74 #741D58 #74641D #1D7438

square

#1D2D74 #741D58 #74641D #1D7438

split-complementary

#1D2D74 #74381D #58741D

monochromatic

#060918 #111A43 #1D2D74 #2940A5 #3D58CE

Accessibility & contrast

On white

12.50

#1D2D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D74

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D74	#FFFFFF	#000000	##FFFFFF
##1D2D74	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003876

Deuteranopia (green-blind)

#003073

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2d74;
/* rgb */ color: rgb(29, 45, 116);
/* oklch */ color: oklch(33.2% 0.123 268.9);

Tailwind

colors: {
  custom: {
    50: '#66659d',
    500: '#1d2d74',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d74;
$custom-light: #66659d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d74",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 116
  },
  "hsl": {
    "h": 228.966,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33164,
    "c": 0.12339,
    "h": 268.9
  },
  "luminance": 0.03399
}

Semantic roles & 50–950 ramp

primary

#1D2D74

secondary

#A89645

accent

#C645E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1D2D74

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

Preview Lab → · Contrast checker → · Palette generator →