#151973#151973

#151973 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.149 H 270.6°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#151973
RGB	rgb(21, 25, 115)
HSL	hsl(237, 69%, 27%)
HSV	hsv(237, 82%, 45%)
CMYK	cmyk(81.7%, 78.3%, 0%, 54.9%)
CIE-LAB	lab(15.96, 32.45, -51.35)
CIE-LCH	lch(15.96, 60.74, 302.29°)
OKLab	oklab(28.93% 0.0015 -0.1487)
OKLCH	oklch(28.93% 0.149 270.6)
XYZ	xyz(3.7504, 2.0921, 16.4225)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151973 #736F15

analogous

#154873 #151973 #401573

triadic

#151973 #731519 #197315

tetradic

#151973 #731548 #736F15 #157340

square

#151973 #731548 #736F15 #157340

split-complementary

#151973 #734015 #487315

monochromatic

#05061A #0C0E3F #151973 #1E24A7 #2A32D8

Accessibility & contrast

On white

14.81

#151973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#151973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151973

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151973	#FFFFFF	#000000	##FFFFFF
##151973	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C76

Deuteranopia (green-blind)

#002371

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151973;
/* rgb */ color: rgb(21, 25, 115);
/* oklch */ color: oklch(28.9% 0.149 270.6);

Tailwind

colors: {
  custom: {
    50: '#65579c',
    500: '#151973',
    950: '#000000',
  },
}

SCSS

$custom: #151973;
$custom-light: #65579c;
$custom-dark: #000000;

JSON

{
  "hex": "#151973",
  "rgb": {
    "r": 21,
    "g": 25,
    "b": 115
  },
  "hsl": {
    "h": 237.447,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28925,
    "c": 0.14873,
    "h": 270.6
  },
  "luminance": 0.02092
}

Semantic roles & 50–950 ramp

primary

#151973

secondary

#A9A43B

accent

#E43CEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151973

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

Preview Lab → · Contrast checker → · Palette generator →