#151D68#151D68

#151D68 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.129 H 270.5°. Best body text is #FFFFFF at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#151D68
RGB	rgb(21, 29, 104)
HSL	hsl(234, 66%, 25%)
HSV	hsv(234, 80%, 41%)
CMYK	cmyk(79.8%, 72.1%, 0%, 59.2%)
CIE-LAB	lab(15.68, 25.67, -44.65)
CIE-LCH	lch(15.68, 51.50, 299.89°)
OKLab	oklab(28.36% 0.0011 -0.1292)
OKLCH	oklch(28.36% 0.129 270.5)
XYZ	xyz(3.2465, 2.0373, 13.3162)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D68 #686015

analogous

#154768 #151D68 #371568

triadic

#151D68 #68151D #1D6815

tetradic

#151D68 #681547 #686015 #156837

square

#151D68 #681547 #686015 #156837

split-complementary

#151D68 #683715 #476815

monochromatic

#050719 #0B0F35 #151D68 #1F2B9B #2A39CE

Accessibility & contrast

On white

14.92

#151D68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#151D68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D68

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D68	#FFFFFF	#000000	##FFFFFF
##151D68	1.00	14.92	1.41	14.92
#FFFFFF	14.92	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6A

Deuteranopia (green-blind)

#002367

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151d68;
/* rgb */ color: rgb(21, 29, 104);
/* oklch */ color: oklch(28.4% 0.129 270.5);

Tailwind

colors: {
  custom: {
    50: '#625994',
    500: '#151d68',
    950: '#000000',
  },
}

SCSS

$custom: #151d68;
$custom-light: #625994;
$custom-dark: #000000;

JSON

{
  "hex": "#151d68",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 104
  },
  "hsl": {
    "h": 234.217,
    "s": 66.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.28357,
    "c": 0.12921,
    "h": 270.5
  },
  "luminance": 0.02038
}

Semantic roles & 50–950 ramp

primary

#151D68

secondary

#9F953A

accent

#D93EE9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151D68

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

Preview Lab → · Contrast checker → · Palette generator →