#151F6E#151F6E

#151F6E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.4% C 0.135 H 269.7°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#151F6E
RGB	rgb(21, 31, 110)
HSL	hsl(233, 68%, 26%)
HSV	hsv(233, 81%, 43%)
CMYK	cmyk(80.9%, 71.8%, 0%, 56.9%)
CIE-LAB	lab(16.82, 26.65, -46.70)
CIE-LCH	lch(16.82, 53.77, 299.71°)
OKLab	oklab(29.37% -0.0007 -0.1352)
OKLCH	oklch(29.37% 0.135 269.7)
XYZ	xyz(3.6128, 2.2648, 14.9956)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F6E #6E6415

analogous

#154B6E #151F6E #37156E

triadic

#151F6E #6E151F #1F6E15

tetradic

#151F6E #6E154B #6E6415 #156E37

square

#151F6E #6E154B #6E6415 #156E37

split-complementary

#151F6E #6E3715 #4B6E15

monochromatic

#05071A #0B113B #151F6E #1F2DA1 #293CD5

Accessibility & contrast

On white

14.45

#151F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#151F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F6E

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F6E	#FFFFFF	#000000	##FFFFFF
##151F6E	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E70

Deuteranopia (green-blind)

#00256D

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #151f6e;
/* rgb */ color: rgb(21, 31, 110);
/* oklch */ color: oklch(29.4% 0.135 269.7);

Tailwind

colors: {
  custom: {
    50: '#635b98',
    500: '#151f6e',
    950: '#000000',
  },
}

SCSS

$custom: #151f6e;
$custom-light: #635b98;
$custom-dark: #000000;

JSON

{
  "hex": "#151f6e",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 110
  },
  "hsl": {
    "h": 233.258,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29373,
    "c": 0.13519,
    "h": 269.7
  },
  "luminance": 0.02265
}

Semantic roles & 50–950 ramp

primary

#151F6E

secondary

#A4983A

accent

#D73DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #151F6E

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

Preview Lab → · Contrast checker → · Palette generator →