#1D418C#1D418C

#1D418C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.132 H 262.7°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D418C
RGB	rgb(29, 65, 140)
HSL	hsl(221, 66%, 33%)
HSV	hsv(221, 79%, 55%)
CMYK	cmyk(79.3%, 53.6%, 0%, 45.1%)
CIE-LAB	lab(29.25, 15.83, -45.39)
CIE-LCH	lch(29.25, 48.07, 289.23°)
OKLab	oklab(39.55% -0.0168 -0.1307)
OKLCH	oklch(39.55% 0.132 262.7)
XYZ	xyz(7.1289, 5.9344, 25.5756)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D418C #8C681D

analogous

#1D788C #1D418C #311D8C

triadic

#1D418C #8C1D41 #418C1D

tetradic

#1D418C #8C1D78 #8C681D #1D8C31

square

#1D418C #8C1D78 #8C681D #1D8C31

split-complementary

#1D418C #8C311D #788C1D

monochromatic

#081227 #122959 #1D418C #2859BF #4A78D9

Accessibility & contrast

On white

9.60

#1D418C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1D418C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D418C

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D418C	#FFFFFF	#000000	##FFFFFF
##1D418C	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4A8F

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d418c;
/* rgb */ color: rgb(29, 65, 140);
/* oklch */ color: oklch(39.6% 0.132 262.7);

Tailwind

colors: {
  custom: {
    50: '#6b75ae',
    500: '#1d418c',
    950: '#000000',
  },
}

SCSS

$custom: #1d418c;
$custom-light: #6b75ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d418c",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 140
  },
  "hsl": {
    "h": 220.541,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39553,
    "c": 0.13181,
    "h": 262.7
  },
  "luminance": 0.05935
}

Semantic roles & 50–950 ramp

primary

#1D418C

secondary

#BC9749

accent

#B23FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D418C

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

Preview Lab → · Contrast checker → · Palette generator →