#151C6F#151C6F

#151C6F is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.140 H 270.3°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#151C6F
RGB	rgb(21, 28, 111)
HSL	hsl(235, 68%, 26%)
HSV	hsv(235, 81%, 44%)
CMYK	cmyk(81.1%, 74.8%, 0%, 56.5%)
CIE-LAB	lab(16.19, 29.05, -48.38)
CIE-LCH	lch(16.19, 56.43, 300.98°)
OKLab	oklab(28.95% 0.0008 -0.1401)
OKLCH	oklch(28.95% 0.14 270.3)
XYZ	xyz(3.5928, 2.1372, 15.2590)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C6F #6F6815

analogous

#15496F #151C6F #3B156F

triadic

#151C6F #6F151C #1C6F15

tetradic

#151C6F #6F1549 #6F6815 #156F3B

square

#151C6F #6F1549 #6F6815 #156F3B

split-complementary

#151C6F #6F3B15 #496F15

monochromatic

#05061A #0B0F3C #151C6F #1F29A2 #2836D6

Accessibility & contrast

On white

14.71

#151C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#151C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C6F

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C6F	#FFFFFF	#000000	##FFFFFF
##151C6F	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D71

Deuteranopia (green-blind)

#00246E

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151c6f;
/* rgb */ color: rgb(21, 28, 111);
/* oklch */ color: oklch(29.0% 0.140 270.3);

Tailwind

colors: {
  custom: {
    50: '#645899',
    500: '#151c6f',
    950: '#000000',
  },
}

SCSS

$custom: #151c6f;
$custom-light: #645899;
$custom-dark: #000000;

JSON

{
  "hex": "#151c6f",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 111
  },
  "hsl": {
    "h": 235.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28952,
    "c": 0.1401,
    "h": 270.3
  },
  "luminance": 0.02138
}

Semantic roles & 50–950 ramp

primary

#151C6F

secondary

#A59D3A

accent

#DD3DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #151C6F

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

Preview Lab → · Contrast checker → · Palette generator →