#1D147B#1D147B

#1D147B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.161 H 274.2°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D147B
RGB	rgb(29, 20, 123)
HSL	hsl(245, 72%, 28%)
HSV	hsv(245, 84%, 48%)
CMYK	cmyk(76.4%, 83.7%, 0%, 51.8%)
CIE-LAB	lab(16.46, 38.67, -55.66)
CIE-LCH	lch(16.46, 67.78, 304.79°)
OKLab	oklab(29.69% 0.0118 -0.161)
OKLCH	oklch(29.69% 0.161 274.2)
XYZ	xyz(4.3308, 2.1911, 18.9297)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D147B #727B14

analogous

#143E7B #1D147B #50147B

triadic

#1D147B #7B1D14 #147B1D

tetradic

#1D147B #7B143E #727B14 #147B50

square

#1D147B #7B143E #727B14 #147B50

split-complementary

#1D147B #7B5014 #3E7B14

monochromatic

#06041A #110B46 #1D147B #291DB0 #3C2DDD

Accessibility & contrast

On white

14.60

#1D147B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1D147B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D147B

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D147B	#FFFFFF	#000000	##FFFFFF
##1D147B	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7E

Deuteranopia (green-blind)

#002479

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d147b;
/* rgb */ color: rgb(29, 20, 123);
/* oklch */ color: oklch(29.7% 0.161 274.2);

Tailwind

colors: {
  custom: {
    50: '#6b55a2',
    500: '#1d147b',
    950: '#000000',
  },
}

SCSS

$custom: #1d147b;
$custom-light: #6b55a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d147b",
  "rgb": {
    "r": 29,
    "g": 20,
    "b": 123
  },
  "hsl": {
    "h": 245.243,
    "s": 72.028,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29692,
    "c": 0.1614,
    "h": 274.2
  },
  "luminance": 0.02192
}

Semantic roles & 50–950 ramp

primary

#1D147B

secondary

#A6B13A

accent

#EF39DF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1D147B

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

Preview Lab → · Contrast checker → · Palette generator →