#1D148D#1D148D

#1D148D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.183 H 272.2°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D148D
RGB	rgb(29, 20, 141)
HSL	hsl(244, 75%, 32%)
HSV	hsv(244, 86%, 55%)
CMYK	cmyk(79.4%, 85.8%, 0%, 44.7%)
CIE-LAB	lab(18.73, 44.43, -63.27)
CIE-LCH	lch(18.73, 77.31, 305.08°)
OKLab	oklab(31.92% 0.0069 -0.183)
OKLCH	oklch(31.92% 0.183 272.2)
XYZ	xyz(5.5630, 2.6840, 25.4190)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D148D #848D14

analogous

#14488D #1D148D #5A148D

triadic

#1D148D #8D1D14 #148D1D

tetradic

#1D148D #8D1448 #848D14 #148D5A

square

#1D148D #8D1448 #848D14 #148D5A

split-complementary

#1D148D #8D5A14 #488D14

monochromatic

#070522 #120C57 #1D148D #281CC3 #4539E3

Accessibility & contrast

On white

13.66

#1D148D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D148D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D148D

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D148D	#FFFFFF	#000000	##FFFFFF
##1D148D	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00288B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d148d;
/* rgb */ color: rgb(29, 20, 141);
/* oklch */ color: oklch(31.9% 0.183 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f56b0',
    500: '#1d148d',
    950: '#000000',
  },
}

SCSS

$custom: #1d148d;
$custom-light: #6f56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d148d",
  "rgb": {
    "r": 29,
    "g": 20,
    "b": 141
  },
  "hsl": {
    "h": 244.463,
    "s": 75.155,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31915,
    "c": 0.18315,
    "h": 272.2
  },
  "luminance": 0.02685
}

Semantic roles & 50–950 ramp

primary

#1D148D

secondary

#B7C13C

accent

#F236E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D148D

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

Preview Lab → · Contrast checker → · Palette generator →