#1D147C#1D147C

#1D147C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.163 H 274.1°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D147C
RGB	rgb(29, 20, 124)
HSL	hsl(245, 72%, 28%)
HSV	hsv(245, 84%, 49%)
CMYK	cmyk(76.6%, 83.9%, 0%, 51.4%)
CIE-LAB	lab(16.58, 39.00, -56.09)
CIE-LCH	lch(16.58, 68.32, 304.81°)
OKLab	oklab(29.81% 0.0116 -0.1622)
OKLCH	oklch(29.81% 0.163 274.1)
XYZ	xyz(4.3937, 2.2163, 19.2611)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D147C #737C14

analogous

#143F7C #1D147C #51147C

triadic

#1D147C #7C1D14 #147C1D

tetradic

#1D147C #7C143F #737C14 #147C51

square

#1D147C #7C143F #737C14 #147C51

split-complementary

#1D147C #7C5114 #3F7C14

monochromatic

#06041A #110B47 #1D147C #291DB1 #3C2DDD

Accessibility & contrast

On white

14.55

#1D147C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1D147C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D147C

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D147C	#FFFFFF	#000000	##FFFFFF
##1D147C	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7F

Deuteranopia (green-blind)

#00247A

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d147c;
/* rgb */ color: rgb(29, 20, 124);
/* oklch */ color: oklch(29.8% 0.163 274.1);

Tailwind

colors: {
  custom: {
    50: '#6b55a3',
    500: '#1d147c',
    950: '#000000',
  },
}

SCSS

$custom: #1d147c;
$custom-light: #6b55a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d147c",
  "rgb": {
    "r": 29,
    "g": 20,
    "b": 124
  },
  "hsl": {
    "h": 245.192,
    "s": 72.222,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29813,
    "c": 0.16264,
    "h": 274.1
  },
  "luminance": 0.02217
}

Semantic roles & 50–950 ramp

primary

#1D147C

secondary

#A7B23A

accent

#EF39DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D147C

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

Preview Lab → · Contrast checker → · Palette generator →