#1D3E7D#1D3E7D

#1D3E7D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.114 H 261.8°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D3E7D
RGB	rgb(29, 62, 125)
HSL	hsl(219, 62%, 30%)
HSV	hsv(219, 77%, 49%)
CMYK	cmyk(76.8%, 50.4%, 0%, 51%)
CIE-LAB	lab(27.26, 11.84, -39.27)
CIE-LCH	lch(27.26, 41.01, 286.78°)
OKLab	oklab(37.69% -0.0163 -0.1128)
OKLCH	oklch(37.69% 0.114 261.8)
XYZ	xyz(5.9297, 5.1865, 20.0866)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3E7D #7D5C1D

analogous

#1D6E7D #1D3E7D #2C1D7D

triadic

#1D3E7D #7D1D3E #3E7D1D

tetradic

#1D3E7D #7D1D6E #7D5C1D #1D7D2C

square

#1D3E7D #7D1D6E #7D5C1D #1D7D2C

split-complementary

#1D3E7D #7D2C1D #6E7D1D

monochromatic

#060D1A #11254B #1D3E7D #2957AF #4173D3

Accessibility & contrast

On white

10.31

#1D3E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1D3E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3E7D

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3E7D	#FFFFFF	#000000	##FFFFFF
##1D3E7D	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A457F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3e7d;
/* rgb */ color: rgb(29, 62, 125);
/* oklch */ color: oklch(37.7% 0.114 261.8);

Tailwind

colors: {
  custom: {
    50: '#6872a3',
    500: '#1d3e7d',
    950: '#000000',
  },
}

SCSS

$custom: #1d3e7d;
$custom-light: #6872a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3e7d",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 219.375,
    "s": 62.338,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37687,
    "c": 0.11394,
    "h": 261.8
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#1D3E7D

secondary

#B18C45

accent

#AD42E5

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D3E7D

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

Preview Lab → · Contrast checker → · Palette generator →