#151A6D#151A6D

#151A6D is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.140 H 270.9°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#151A6D
RGB	rgb(21, 26, 109)
HSL	hsl(237, 68%, 25%)
HSV	hsv(237, 81%, 43%)
CMYK	cmyk(80.7%, 76.1%, 0%, 57.3%)
CIE-LAB	lab(15.50, 29.59, -48.22)
CIE-LCH	lch(15.50, 56.58, 301.53°)
OKLab	oklab(28.39% 0.0021 -0.1396)
OKLCH	oklch(28.39% 0.14 270.9)
XYZ	xyz(3.4380, 2.0020, 14.6703)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A6D #6D6815

analogous

#15466D #151A6D #3C156D

triadic

#151A6D #6D151A #1A6D15

tetradic

#151A6D #6D1546 #6D6815 #156D3C

square

#151A6D #6D1546 #6D6815 #156D3C

split-complementary

#151A6D #6D3C15 #466D15

monochromatic

#05061A #0B0E3A #151A6D #1F26A0 #2932D4

Accessibility & contrast

On white

15.00

#151A6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#151A6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A6D

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A6D	#FFFFFF	#000000	##FFFFFF
##151A6D	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6F

Deuteranopia (green-blind)

#00226C

Tritanopia (blue-blind)

#003241

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151a6d;
/* rgb */ color: rgb(21, 26, 109);
/* oklch */ color: oklch(28.4% 0.140 270.9);

Tailwind

colors: {
  custom: {
    50: '#645798',
    500: '#151a6d',
    950: '#000000',
  },
}

SCSS

$custom: #151a6d;
$custom-light: #645798;
$custom-dark: #000000;

JSON

{
  "hex": "#151a6d",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 109
  },
  "hsl": {
    "h": 236.591,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28388,
    "c": 0.13965,
    "h": 270.9
  },
  "luminance": 0.02002
}

Semantic roles & 50–950 ramp

primary

#151A6D

secondary

#A39D3A

accent

#E13DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #151A6D

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

Preview Lab → · Contrast checker → · Palette generator →