#151F79#151F79

#151F79 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.150 H 269.3°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#151F79
RGB	rgb(21, 31, 121)
HSL	hsl(234, 70%, 28%)
HSV	hsv(234, 83%, 47%)
CMYK	cmyk(82.6%, 74.4%, 0%, 52.5%)
CIE-LAB	lab(18.01, 30.88, -51.84)
CIE-LCH	lch(18.01, 60.34, 300.78°)
OKLab	oklab(30.59% -0.0019 -0.1502)
OKLCH	oklch(30.59% 0.15 269.3)
XYZ	xyz(4.2493, 2.5194, 18.3478)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F79 #796F15

analogous

#155179 #151F79 #3D1579

triadic

#151F79 #79151F #1F7915

tetradic

#151F79 #791551 #796F15 #15793D

square

#151F79 #791551 #796F15 #15793D

split-complementary

#151F79 #793D15 #517915

monochromatic

#05071A #0C1245 #151F79 #1E2CAD #2E3FDB

Accessibility & contrast

On white

13.96

#151F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#151F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F79

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F79	#FFFFFF	#000000	##FFFFFF
##151F79	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002777

Tritanopia (blue-blind)

#00394A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #151f79;
/* rgb */ color: rgb(21, 31, 121);
/* oklch */ color: oklch(30.6% 0.150 269.3);

Tailwind

colors: {
  custom: {
    50: '#665ba1',
    500: '#151f79',
    950: '#000000',
  },
}

SCSS

$custom: #151f79;
$custom-light: #665ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#151f79",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 121
  },
  "hsl": {
    "h": 234,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30586,
    "c": 0.15017,
    "h": 269.3
  },
  "luminance": 0.0252
}

Semantic roles & 50–950 ramp

primary

#151F79

secondary

#AFA33B

accent

#DB3BED

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #151F79

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

Preview Lab → · Contrast checker → · Palette generator →