#1D148E#1D148E

#1D148E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.184 H 272.1°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D148E
RGB	rgb(29, 20, 142)
HSL	hsl(244, 75%, 32%)
HSV	hsv(244, 86%, 56%)
CMYK	cmyk(79.6%, 85.9%, 0%, 44.3%)
CIE-LAB	lab(18.86, 44.74, -63.68)
CIE-LCH	lch(18.86, 77.82, 305.09°)
OKLab	oklab(32.04% 0.0067 -0.1842)
OKLCH	oklch(32.04% 0.184 272.1)
XYZ	xyz(5.6377, 2.7139, 25.8127)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D148E #858E14

analogous

#14488E #1D148E #5A148E

triadic

#1D148E #8E1D14 #148E1D

tetradic

#1D148E #8E1448 #858E14 #148E5A

square

#1D148E #8E1448 #858E14 #148E5A

split-complementary

#1D148E #8E5A14 #488E14

monochromatic

#070523 #120C58 #1D148E #281CC4 #4639E3

Accessibility & contrast

On white

13.61

#1D148E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D148E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D148E

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D148E	#FFFFFF	#000000	##FFFFFF
##1D148E	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d148e;
/* rgb */ color: rgb(29, 20, 142);
/* oklch */ color: oklch(32.0% 0.184 272.1);

Tailwind

colors: {
  custom: {
    50: '#7056b0',
    500: '#1d148e',
    950: '#000000',
  },
}

SCSS

$custom: #1d148e;
$custom-light: #7056b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d148e",
  "rgb": {
    "r": 29,
    "g": 20,
    "b": 142
  },
  "hsl": {
    "h": 244.426,
    "s": 75.309,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3204,
    "c": 0.18433,
    "h": 272.1
  },
  "luminance": 0.02715
}

Semantic roles & 50–950 ramp

primary

#1D148E

secondary

#B8C23C

accent

#F236E4

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1D148E

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

Preview Lab → · Contrast checker → · Palette generator →