#151F65#151F65

#151F65 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.4% C 0.122 H 270.1°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#151F65
RGB	rgb(21, 31, 101)
HSL	hsl(233, 66%, 24%)
HSV	hsv(233, 79%, 40%)
CMYK	cmyk(79.2%, 69.3%, 0%, 60.4%)
CIE-LAB	lab(15.89, 23.08, -42.33)
CIE-LCH	lch(15.89, 48.21, 298.61°)
OKLab	oklab(28.42% 0.0001 -0.1224)
OKLCH	oklch(28.42% 0.122 270.1)
XYZ	xyz(3.1474, 2.0787, 12.5447)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F65 #655B15

analogous

#154765 #151F65 #331565

triadic

#151F65 #65151F #1F6515

tetradic

#151F65 #651547 #655B15 #156533

square

#151F65 #651547 #655B15 #156533

split-complementary

#151F65 #653315 #476515

monochromatic

#050819 #0A0F32 #151F65 #202F98 #2A3ECA

Accessibility & contrast

On white

14.83

#151F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#151F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F65

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F65	#FFFFFF	#000000	##FFFFFF
##151F65	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002464

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151f65;
/* rgb */ color: rgb(21, 31, 101);
/* oklch */ color: oklch(28.4% 0.122 270.1);

Tailwind

colors: {
  custom: {
    50: '#615a92',
    500: '#151f65',
    950: '#000000',
  },
}

SCSS

$custom: #151f65;
$custom-light: #615a92;
$custom-dark: #000000;

JSON

{
  "hex": "#151f65",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 101
  },
  "hsl": {
    "h": 232.5,
    "s": 65.574,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28418,
    "c": 0.12241,
    "h": 270.1
  },
  "luminance": 0.02079
}

Semantic roles & 50–950 ramp

primary

#151F65

secondary

#9C903A

accent

#D33FE9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #151F65

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

Preview Lab → · Contrast checker → · Palette generator →