#151C6D#151C6D

#151C6D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.7% C 0.137 H 270.5°. Best body text is #FFFFFF at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#151C6D
RGB	rgb(21, 28, 109)
HSL	hsl(235, 68%, 25%)
HSV	hsv(235, 81%, 43%)
CMYK	cmyk(80.7%, 74.3%, 0%, 57.3%)
CIE-LAB	lab(15.97, 28.28, -47.44)
CIE-LCH	lch(15.97, 55.23, 300.80°)
OKLab	oklab(28.73% 0.0011 -0.1374)
OKLCH	oklch(28.73% 0.137 270.5)
XYZ	xyz(3.4839, 2.0937, 14.6855)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C6D #6D6615

analogous

#15486D #151C6D #3A156D

triadic

#151C6D #6D151C #1C6D15

tetradic

#151C6D #6D1548 #6D6615 #156D3A

square

#151C6D #6D1548 #6D6615 #156D3A

split-complementary

#151C6D #6D3A15 #486D15

monochromatic

#05071A #0B0F3A #151C6D #1F29A0 #2936D4

Accessibility & contrast

On white

14.80

#151C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#151C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C6D

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C6D	#FFFFFF	#000000	##FFFFFF
##151C6D	1.00	14.80	1.42	14.80
#FFFFFF	14.80	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6F

Deuteranopia (green-blind)

#00236C

Tritanopia (blue-blind)

#003342

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151c6d;
/* rgb */ color: rgb(21, 28, 109);
/* oklch */ color: oklch(28.7% 0.137 270.5);

Tailwind

colors: {
  custom: {
    50: '#635898',
    500: '#151c6d',
    950: '#000000',
  },
}

SCSS

$custom: #151c6d;
$custom-light: #635898;
$custom-dark: #000000;

JSON

{
  "hex": "#151c6d",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 109
  },
  "hsl": {
    "h": 235.227,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28728,
    "c": 0.13736,
    "h": 270.5
  },
  "luminance": 0.02094
}

Semantic roles & 50–950 ramp

primary

#151C6D

secondary

#A39B3A

accent

#DD3DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #151C6D

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

Preview Lab → · Contrast checker → · Palette generator →