#1D3D7C#1D3D7C

#1D3D7C is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.114 H 262.2°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D3D7C
RGB	rgb(29, 61, 124)
HSL	hsl(220, 62%, 30%)
HSV	hsv(220, 77%, 49%)
CMYK	cmyk(76.6%, 50.8%, 0%, 51.4%)
CIE-LAB	lab(26.89, 12.13, -39.24)
CIE-LCH	lch(26.89, 41.07, 287.18°)
OKLab	oklab(37.38% -0.0155 -0.1127)
OKLCH	oklch(37.38% 0.114 262.2)
XYZ	xyz(5.8122, 5.0533, 19.7339)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3D7C #7C5C1D

analogous

#1D6D7C #1D3D7C #2C1D7C

triadic

#1D3D7C #7C1D3D #3D7C1D

tetradic

#1D3D7C #7C1D6D #7C5C1D #1D7C2C

square

#1D3D7C #7C1D6D #7C5C1D #1D7C2C

split-complementary

#1D3D7C #7C2C1D #6D7C1D

monochromatic

#060C19 #11254A #1D3D7C #2955AE #4172D3

Accessibility & contrast

On white

10.44

#1D3D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1D3D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3D7C

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3D7C	#FFFFFF	#000000	##FFFFFF
##1D3D7C	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19447E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3d7c;
/* rgb */ color: rgb(29, 61, 124);
/* oklch */ color: oklch(37.4% 0.114 262.2);

Tailwind

colors: {
  custom: {
    50: '#6772a2',
    500: '#1d3d7c',
    950: '#000000',
  },
}

SCSS

$custom: #1d3d7c;
$custom-light: #6772a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3d7c",
  "rgb": {
    "r": 29,
    "g": 61,
    "b": 124
  },
  "hsl": {
    "h": 219.789,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.37378,
    "c": 0.11377,
    "h": 262.2
  },
  "luminance": 0.05054
}

Semantic roles & 50–950 ramp

primary

#1D3D7C

secondary

#B08C45

accent

#AE43E5

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1D3D7C

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

Preview Lab → · Contrast checker → · Palette generator →