#151F64#151F64

#151F64 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.3% C 0.121 H 270.1°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#151F64
RGB	rgb(21, 31, 100)
HSL	hsl(232, 65%, 24%)
HSV	hsv(232, 79%, 39%)
CMYK	cmyk(79%, 69%, 0%, 60.8%)
CIE-LAB	lab(15.79, 22.68, -41.83)
CIE-LCH	lch(15.79, 47.59, 298.47°)
OKLab	oklab(28.31% 0.0002 -0.121)
OKLCH	oklch(28.31% 0.121 270.1)
XYZ	xyz(3.0987, 2.0592, 12.2883)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F64 #645A15

analogous

#154664 #151F64 #321564

triadic

#151F64 #64151F #1F6415

tetradic

#151F64 #641546 #645A15 #156432

square

#151F64 #641546 #645A15 #156432

split-complementary

#151F64 #643215 #466415

monochromatic

#050819 #0A0F31 #151F64 #202F97 #2A3EC9

Accessibility & contrast

On white

14.87

#151F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#151F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F64

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F64	#FFFFFF	#000000	##FFFFFF
##151F64	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B66

Deuteranopia (green-blind)

#002463

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151f64;
/* rgb */ color: rgb(21, 31, 100);
/* oklch */ color: oklch(28.3% 0.121 270.1);

Tailwind

colors: {
  custom: {
    50: '#605a91',
    500: '#151f64',
    950: '#000000',
  },
}

SCSS

$custom: #151f64;
$custom-light: #605a91;
$custom-dark: #000000;

JSON

{
  "hex": "#151f64",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 100
  },
  "hsl": {
    "h": 232.405,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.28314,
    "c": 0.12096,
    "h": 270.1
  },
  "luminance": 0.0206
}

Semantic roles & 50–950 ramp

primary

#151F64

secondary

#9B8F3A

accent

#D340E8

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05040D

muted

#79797E

Preview Lab

Preview with #151F64

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

Preview Lab → · Contrast checker → · Palette generator →