#151D73#151D73

#151D73 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.144 H 269.9°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#151D73
RGB	rgb(21, 29, 115)
HSL	hsl(235, 69%, 27%)
HSV	hsv(235, 82%, 45%)
CMYK	cmyk(81.7%, 74.8%, 0%, 54.9%)
CIE-LAB	lab(16.87, 29.91, -49.85)
CIE-LCH	lch(16.87, 58.14, 300.96°)
OKLab	oklab(29.57% -0.0002 -0.1444)
OKLCH	oklch(29.57% 0.144 269.9)
XYZ	xyz(3.8421, 2.2755, 16.4531)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D73 #736B15

analogous

#154C73 #151D73 #3C1573

triadic

#151D73 #73151D #1D7315

tetradic

#151D73 #73154C #736B15 #15733C

square

#151D73 #73154C #736B15 #15733C

split-complementary

#151D73 #733C15 #4C7315

monochromatic

#05071A #0C103F #151D73 #1E2AA7 #2A39D8

Accessibility & contrast

On white

14.43

#151D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#151D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D73

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D73	#FFFFFF	#000000	##FFFFFF
##151D73	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E76

Deuteranopia (green-blind)

#002571

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #151d73;
/* rgb */ color: rgb(21, 29, 115);
/* oklch */ color: oklch(29.6% 0.144 269.9);

Tailwind

colors: {
  custom: {
    50: '#65599c',
    500: '#151d73',
    950: '#000000',
  },
}

SCSS

$custom: #151d73;
$custom-light: #65599c;
$custom-dark: #000000;

JSON

{
  "hex": "#151d73",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 115
  },
  "hsl": {
    "h": 234.894,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29573,
    "c": 0.14438,
    "h": 269.9
  },
  "luminance": 0.02276
}

Semantic roles & 50–950 ramp

primary

#151D73

secondary

#A9A03B

accent

#DD3CEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151D73

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

Preview Lab → · Contrast checker → · Palette generator →