#151C54#151C54

#151C54 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.101 H 271.9°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#151C54
RGB	rgb(21, 28, 84)
HSL	hsl(233, 60%, 21%)
HSV	hsv(233, 75%, 33%)
CMYK	cmyk(75%, 66.7%, 0%, 67.1%)
CIE-LAB	lab(13.41, 18.36, -35.03)
CIE-LCH	lch(13.41, 39.55, 297.66°)
OKLab	oklab(26.08% 0.0033 -0.101)
OKLCH	oklch(26.08% 0.101 271.9)
XYZ	xyz(2.3242, 1.6298, 8.5779)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C54 #544D15

analogous

#153B54 #151C54 #2D1554

triadic

#151C54 #54151C #1C5415

tetradic

#151C54 #54153B #544D15 #15542D

square

#151C54 #54153B #544D15 #15542D

split-complementary

#151C54 #542D15 #3B5415

monochromatic

#060818 #090C23 #151C54 #212C85 #2D3DB6

Accessibility & contrast

On white

15.84

#151C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#151C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C54

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C54	#FFFFFF	#000000	##FFFFFF
##151C54	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002556

Deuteranopia (green-blind)

#002053

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151c54;
/* rgb */ color: rgb(21, 28, 84);
/* oklch */ color: oklch(26.1% 0.101 271.9);

Tailwind

colors: {
  custom: {
    50: '#5c5885',
    500: '#151c54',
    950: '#000000',
  },
}

SCSS

$custom: #151c54;
$custom-light: #5c5885;
$custom-dark: #000000;

JSON

{
  "hex": "#151c54",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 84
  },
  "hsl": {
    "h": 233.333,
    "s": 60,
    "l": 20.588
  },
  "oklch": {
    "l": 0.26081,
    "c": 0.10111,
    "h": 271.9
  },
  "luminance": 0.0163
}

Semantic roles & 50–950 ramp

primary

#151C54

secondary

#8C8339

accent

#D245E3

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #151C54

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

Preview Lab → · Contrast checker → · Palette generator →