#151F6D#151F6D

#151F6D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.134 H 269.8°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#151F6D
RGB	rgb(21, 31, 109)
HSL	hsl(233, 68%, 25%)
HSV	hsv(233, 81%, 43%)
CMYK	cmyk(80.7%, 71.6%, 0%, 57.3%)
CIE-LAB	lab(16.71, 26.26, -46.22)
CIE-LCH	lch(16.71, 53.16, 299.60°)
OKLab	oklab(29.27% -0.0006 -0.1338)
OKLCH	oklch(29.27% 0.134 269.8)
XYZ	xyz(3.5586, 2.2431, 14.7105)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F6D #6D6315

analogous

#154B6D #151F6D #37156D

triadic

#151F6D #6D151F #1F6D15

tetradic

#151F6D #6D154B #6D6315 #156D37

square

#151F6D #6D154B #6D6315 #156D37

split-complementary

#151F6D #6D3715 #4B6D15

monochromatic

#05071A #0B103A #151F6D #1F2EA0 #293CD4

Accessibility & contrast

On white

14.49

#151F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#151F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F6D

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F6D	#FFFFFF	#000000	##FFFFFF
##151F6D	1.00	14.49	1.45	14.49
#FFFFFF	14.49	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6F

Deuteranopia (green-blind)

#00256C

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #151f6d;
/* rgb */ color: rgb(21, 31, 109);
/* oklch */ color: oklch(29.3% 0.134 269.8);

Tailwind

colors: {
  custom: {
    50: '#635a98',
    500: '#151f6d',
    950: '#000000',
  },
}

SCSS

$custom: #151f6d;
$custom-light: #635a98;
$custom-dark: #000000;

JSON

{
  "hex": "#151f6d",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 109
  },
  "hsl": {
    "h": 233.182,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.29265,
    "c": 0.13379,
    "h": 269.8
  },
  "luminance": 0.02244
}

Semantic roles & 50–950 ramp

primary

#151F6D

secondary

#A3983A

accent

#D73DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #151F6D

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

Preview Lab → · Contrast checker → · Palette generator →