#1D407E#1D407E

#1D407E is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.113 H 260.8°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D407E
RGB	rgb(29, 64, 126)
HSL	hsl(218, 63%, 30%)
HSV	hsv(218, 77%, 49%)
CMYK	cmyk(77%, 49.2%, 0%, 50.6%)
CIE-LAB	lab(27.94, 10.86, -38.81)
CIE-LCH	lch(27.94, 40.30, 285.63°)
OKLab	oklab(38.23% -0.0179 -0.1114)
OKLCH	oklch(38.23% 0.113 260.8)
XYZ	xyz(6.1046, 5.4337, 20.4617)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D407E #7E5B1D

analogous

#1D707E #1D407E #2B1D7E

triadic

#1D407E #7E1D40 #407E1D

tetradic

#1D407E #7E1D70 #7E5B1D #1D7E2B

square

#1D407E #7E1D70 #7E5B1D #1D7E2B

split-complementary

#1D407E #7E2B1D #707E1D

monochromatic

#060D1B #12274C #1D407E #2859B0 #4276D3

Accessibility & contrast

On white

10.06

#1D407E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1D407E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D407E

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D407E	#FFFFFF	#000000	##FFFFFF
##1D407E	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4780

Deuteranopia (green-blind)

#043E7D

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1d407e;
/* rgb */ color: rgb(29, 64, 126);
/* oklch */ color: oklch(38.2% 0.113 260.8);

Tailwind

colors: {
  custom: {
    50: '#6874a4',
    500: '#1d407e',
    950: '#000000',
  },
}

SCSS

$custom: #1d407e;
$custom-light: #6874a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d407e",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 126
  },
  "hsl": {
    "h": 218.351,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.38229,
    "c": 0.11281,
    "h": 260.8
  },
  "luminance": 0.05434
}

Semantic roles & 50–950 ramp

primary

#1D407E

secondary

#B18A45

accent

#AB42E6

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1D407E

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

Preview Lab → · Contrast checker → · Palette generator →