#1D148A#1D148A

#1D148A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.180 H 272.5°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D148A
RGB	rgb(29, 20, 138)
HSL	hsl(245, 75%, 31%)
HSV	hsv(245, 86%, 54%)
CMYK	cmyk(79%, 85.5%, 0%, 45.9%)
CIE-LAB	lab(18.35, 43.49, -62.03)
CIE-LCH	lch(18.35, 75.75, 305.03°)
OKLab	oklab(31.54% 0.0077 -0.1794)
OKLCH	oklch(31.54% 0.18 272.5)
XYZ	xyz(5.3428, 2.5959, 24.2593)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D148A #818A14

analogous

#14468A #1D148A #58148A

triadic

#1D148A #8A1D14 #148A1D

tetradic

#1D148A #8A1446 #818A14 #148A58

square

#1D148A #8A1446 #818A14 #148A58

split-complementary

#1D148A #8A5814 #468A14

monochromatic

#07051F #120C55 #1D148A #281CBF #4436E2

Accessibility & contrast

On white

13.82

#1D148A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1D148A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D148A

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D148A	#FFFFFF	#000000	##FFFFFF
##1D148A	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328D

Deuteranopia (green-blind)

#002788

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d148a;
/* rgb */ color: rgb(29, 20, 138);
/* oklch */ color: oklch(31.5% 0.180 272.5);

Tailwind

colors: {
  custom: {
    50: '#6f56ae',
    500: '#1d148a',
    950: '#000000',
  },
}

SCSS

$custom: #1d148a;
$custom-light: #6f56ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d148a",
  "rgb": {
    "r": 29,
    "g": 20,
    "b": 138
  },
  "hsl": {
    "h": 244.576,
    "s": 74.684,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3154,
    "c": 0.1796,
    "h": 272.5
  },
  "luminance": 0.02597
}

Semantic roles & 50–950 ramp

primary

#1D148A

secondary

#B4BE3C

accent

#F136E3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #1D148A

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

Preview Lab → · Contrast checker → · Palette generator →