#151C6B#151C6B

#151C6B is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.5% C 0.135 H 270.6°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#151C6B
RGB	rgb(21, 28, 107)
HSL	hsl(235, 67%, 25%)
HSV	hsv(235, 80%, 42%)
CMYK	cmyk(80.4%, 73.8%, 0%, 58%)
CIE-LAB	lab(15.75, 27.52, -46.50)
CIE-LCH	lch(15.75, 54.03, 300.62°)
OKLab	oklab(28.51% 0.0014 -0.1346)
OKLCH	oklch(28.51% 0.135 270.6)
XYZ	xyz(3.3775, 2.0511, 14.1250)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C6B #6B6415

analogous

#15476B #151C6B #39156B

triadic

#151C6B #6B151C #1C6B15

tetradic

#151C6B #6B1547 #6B6415 #156B39

square

#151C6B #6B1547 #6B6415 #156B39

split-complementary

#151C6B #6B3915 #476B15

monochromatic

#05071A #0B0F38 #151C6B #1F299E #2937D1

Accessibility & contrast

On white

14.89

#151C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#151C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C6B

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C6B	#FFFFFF	#000000	##FFFFFF
##151C6B	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6D

Deuteranopia (green-blind)

#00236A

Tritanopia (blue-blind)

#003241

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151c6b;
/* rgb */ color: rgb(21, 28, 107);
/* oklch */ color: oklch(28.5% 0.135 270.6);

Tailwind

colors: {
  custom: {
    50: '#635896',
    500: '#151c6b',
    950: '#000000',
  },
}

SCSS

$custom: #151c6b;
$custom-light: #635896;
$custom-dark: #000000;

JSON

{
  "hex": "#151c6b",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 107
  },
  "hsl": {
    "h": 235.116,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28505,
    "c": 0.13461,
    "h": 270.6
  },
  "luminance": 0.02051
}

Semantic roles & 50–950 ramp

primary

#151C6B

secondary

#A2993A

accent

#DC3EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151C6B

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

Preview Lab → · Contrast checker → · Palette generator →