#151F54#151F54

#151F54 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.7% C 0.097 H 270.4°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#151F54
RGB	rgb(21, 31, 84)
HSL	hsl(230, 60%, 21%)
HSV	hsv(230, 75%, 33%)
CMYK	cmyk(75%, 63.1%, 0%, 67.1%)
CIE-LAB	lab(14.28, 16.13, -33.61)
CIE-LCH	lch(14.28, 37.28, 295.64°)
OKLab	oklab(26.73% 0.0006 -0.0968)
OKLCH	oklch(26.73% 0.097 270.4)
XYZ	xyz(2.3989, 1.7793, 8.6028)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F54 #544A15

analogous

#153E54 #151F54 #2A1554

triadic

#151F54 #54151F #1F5415

tetradic

#151F54 #54153E #544A15 #15542A

square

#151F54 #54153E #544A15 #15542A

split-complementary

#151F54 #542A15 #3E5415

monochromatic

#060918 #090D23 #151F54 #213185 #2D43B6

Accessibility & contrast

On white

15.49

#151F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#151F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F54

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F54	#FFFFFF	#000000	##FFFFFF
##151F54	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002756

Deuteranopia (green-blind)

#002153

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151f54;
/* rgb */ color: rgb(21, 31, 84);
/* oklch */ color: oklch(26.7% 0.097 270.4);

Tailwind

colors: {
  custom: {
    50: '#5c5a85',
    500: '#151f54',
    950: '#000000',
  },
}

SCSS

$custom: #151f54;
$custom-light: #5c5a85;
$custom-dark: #000000;

JSON

{
  "hex": "#151f54",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 84
  },
  "hsl": {
    "h": 230.476,
    "s": 60,
    "l": 20.588
  },
  "oklch": {
    "l": 0.26729,
    "c": 0.09684,
    "h": 270.4
  },
  "luminance": 0.01779
}

Semantic roles & 50–950 ramp

primary

#151F54

secondary

#8C7F39

accent

#CA45E3

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #151F54

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

Preview Lab → · Contrast checker → · Palette generator →