#1D3074#1D3074

#1D3074 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.8% C 0.119 H 267.7°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D3074
RGB	rgb(29, 48, 116)
HSL	hsl(227, 60%, 28%)
HSV	hsv(227, 75%, 45%)
CMYK	cmyk(75%, 58.6%, 0%, 54.5%)
CIE-LAB	lab(22.43, 18.08, -41.38)
CIE-LCH	lch(22.43, 45.16, 293.60°)
OKLab	oklab(33.8% -0.0048 -0.1192)
OKLCH	oklch(33.8% 0.119 267.7)
XYZ	xyz(4.7149, 3.6356, 16.9729)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3074 #74611D

analogous

#1D5B74 #1D3074 #351D74

triadic

#1D3074 #741D30 #30741D

tetradic

#1D3074 #741D5B #74611D #1D7435

square

#1D3074 #741D5B #74611D #1D7435

split-complementary

#1D3074 #74351D #5B741D

monochromatic

#060A18 #111C43 #1D3074 #2944A5 #3D5DCE

Accessibility & contrast

On white

12.16

#1D3074 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D3074 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3074

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3074	#FFFFFF	#000000	##FFFFFF
##1D3074	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A76

Deuteranopia (green-blind)

#003273

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d3074;
/* rgb */ color: rgb(29, 48, 116);
/* oklch */ color: oklch(33.8% 0.119 267.7);

Tailwind

colors: {
  custom: {
    50: '#66679d',
    500: '#1d3074',
    950: '#000000',
  },
}

SCSS

$custom: #1d3074;
$custom-light: #66679d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3074",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 116
  },
  "hsl": {
    "h": 226.897,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33804,
    "c": 0.11934,
    "h": 267.7
  },
  "luminance": 0.03636
}

Semantic roles & 50–950 ramp

primary

#1D3074

secondary

#A89245

accent

#C145E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #1D3074

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

Preview Lab → · Contrast checker → · Palette generator →