#1D3C7A#1D3C7A

#1D3C7A is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.0% C 0.112 H 262.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D3C7A
RGB	rgb(29, 60, 122)
HSL	hsl(220, 62%, 30%)
HSV	hsv(220, 76%, 48%)
CMYK	cmyk(76.2%, 50.8%, 0%, 52.2%)
CIE-LAB	lab(26.44, 12.02, -38.70)
CIE-LCH	lch(26.44, 40.52, 287.26°)
OKLab	oklab(36.99% -0.0149 -0.1111)
OKLCH	oklch(36.99% 0.112 262.4)
XYZ	xyz(5.6342, 4.8975, 19.0570)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3C7A #7A5B1D

analogous

#1D6B7A #1D3C7A #2D1D7A

triadic

#1D3C7A #7A1D3C #3C7A1D

tetradic

#1D3C7A #7A1D6B #7A5B1D #1D7A2D

square

#1D3C7A #7A1D6B #7A5B1D #1D7A2D

split-complementary

#1D3C7A #7A2D1D #6B7A1D

monochromatic

#060C19 #112449 #1D3C7A #2954AB #4070D2

Accessibility & contrast

On white

10.61

#1D3C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1D3C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3C7A

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3C7A	#FFFFFF	#000000	##FFFFFF
##1D3C7A	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19437C

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d3c7a;
/* rgb */ color: rgb(29, 60, 122);
/* oklch */ color: oklch(37.0% 0.112 262.4);

Tailwind

colors: {
  custom: {
    50: '#6771a1',
    500: '#1d3c7a',
    950: '#000000',
  },
}

SCSS

$custom: #1d3c7a;
$custom-light: #6771a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3c7a",
  "rgb": {
    "r": 29,
    "g": 60,
    "b": 122
  },
  "hsl": {
    "h": 220,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36992,
    "c": 0.11214,
    "h": 262.4
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#1D3C7A

secondary

#AE8B45

accent

#AF43E5

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #1D3C7A

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

Preview Lab → · Contrast checker → · Palette generator →