#1D3C7C#1D3C7C

#1D3C7C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.1% C 0.115 H 262.7°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D3C7C
RGB	rgb(29, 60, 124)
HSL	hsl(220, 62%, 30%)
HSV	hsv(220, 77%, 49%)
CMYK	cmyk(76.6%, 51.6%, 0%, 51.4%)
CIE-LAB	lab(26.58, 12.83, -39.73)
CIE-LCH	lch(26.58, 41.75, 287.90°)
OKLab	oklab(37.15% -0.0146 -0.1142)
OKLCH	oklch(37.15% 0.115 262.7)
XYZ	xyz(5.7593, 4.9475, 19.7163)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3C7C #7C5D1D

analogous

#1D6C7C #1D3C7C #2D1D7C

triadic

#1D3C7C #7C1D3C #3C7C1D

tetradic

#1D3C7C #7C1D6C #7C5D1D #1D7C2D

square

#1D3C7C #7C1D6C #7C5D1D #1D7C2D

split-complementary

#1D3C7C #7C2D1D #6C7C1D

monochromatic

#060C19 #11244A #1D3C7C #2954AE #4170D3

Accessibility & contrast

On white

10.55

#1D3C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1D3C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3C7C

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3C7C	#FFFFFF	#000000	##FFFFFF
##1D3C7C	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16437E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d3c7c;
/* rgb */ color: rgb(29, 60, 124);
/* oklch */ color: oklch(37.1% 0.115 262.7);

Tailwind

colors: {
  custom: {
    50: '#6771a2',
    500: '#1d3c7c',
    950: '#000000',
  },
}

SCSS

$custom: #1d3c7c;
$custom-light: #6771a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3c7c",
  "rgb": {
    "r": 29,
    "g": 60,
    "b": 124
  },
  "hsl": {
    "h": 220.421,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.37148,
    "c": 0.11509,
    "h": 262.7
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#1D3C7C

secondary

#B08D45

accent

#B043E5

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1D3C7C

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

Preview Lab → · Contrast checker → · Palette generator →