#1D3E7C#1D3E7C

#1D3E7C is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.6% C 0.112 H 261.6°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D3E7C
RGB	rgb(29, 62, 124)
HSL	hsl(219, 62%, 30%)
HSV	hsv(219, 77%, 49%)
CMYK	cmyk(76.6%, 50%, 0%, 51.4%)
CIE-LAB	lab(27.19, 11.43, -38.75)
CIE-LCH	lch(27.19, 40.41, 286.44°)
OKLab	oklab(37.61% -0.0164 -0.1113)
OKLCH	oklch(37.61% 0.112 261.6)
XYZ	xyz(5.8661, 5.1611, 19.7519)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3E7C #7C5B1D

analogous

#1D6E7C #1D3E7C #2B1D7C

triadic

#1D3E7C #7C1D3E #3E7C1D

tetradic

#1D3E7C #7C1D6E #7C5B1D #1D7C2B

square

#1D3E7C #7C1D6E #7C5B1D #1D7C2B

split-complementary

#1D3E7C #7C2B1D #6E7C1D

monochromatic

#060C19 #11254A #1D3E7C #2957AE #4173D3

Accessibility & contrast

On white

10.33

#1D3E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1D3E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3E7C

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3E7C	#FFFFFF	#000000	##FFFFFF
##1D3E7C	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C457E

Deuteranopia (green-blind)

#003C7B

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3e7c;
/* rgb */ color: rgb(29, 62, 124);
/* oklch */ color: oklch(37.6% 0.112 261.6);

Tailwind

colors: {
  custom: {
    50: '#6772a2',
    500: '#1d3e7c',
    950: '#000000',
  },
}

SCSS

$custom: #1d3e7c;
$custom-light: #6772a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3e7c",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 124
  },
  "hsl": {
    "h": 219.158,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.3761,
    "c": 0.11247,
    "h": 261.6
  },
  "luminance": 0.05162
}

Semantic roles & 50–950 ramp

primary

#1D3E7C

secondary

#B08B45

accent

#AD43E5

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D3E7C

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

Preview Lab → · Contrast checker → · Palette generator →