#151A6C#151A6C

#151A6C is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.138 H 270.9°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#151A6C
RGB	rgb(21, 26, 108)
HSL	hsl(237, 67%, 25%)
HSV	hsv(237, 81%, 42%)
CMYK	cmyk(80.6%, 75.9%, 0%, 57.6%)
CIE-LAB	lab(15.39, 29.22, -47.76)
CIE-LCH	lch(15.39, 55.99, 301.46°)
OKLab	oklab(28.27% 0.0023 -0.1383)
OKLCH	oklch(28.27% 0.138 270.9)
XYZ	xyz(3.3845, 1.9806, 14.3884)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A6C #6C6715

analogous

#15456C #151A6C #3C156C

triadic

#151A6C #6C151A #1A6C15

tetradic

#151A6C #6C1545 #6C6715 #156C3C

square

#151A6C #6C1545 #6C6715 #156C3C

split-complementary

#151A6C #6C3C15 #456C15

monochromatic

#05061A #0B0E39 #151A6C #1F269F #2933D2

Accessibility & contrast

On white

15.04

#151A6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#151A6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A6C

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A6C	#FFFFFF	#000000	##FFFFFF
##151A6C	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6E

Deuteranopia (green-blind)

#00226B

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151a6c;
/* rgb */ color: rgb(21, 26, 108);
/* oklch */ color: oklch(28.3% 0.138 270.9);

Tailwind

colors: {
  custom: {
    50: '#635797',
    500: '#151a6c',
    950: '#000000',
  },
}

SCSS

$custom: #151a6c;
$custom-light: #635797;
$custom-dark: #000000;

JSON

{
  "hex": "#151a6c",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 108
  },
  "hsl": {
    "h": 236.552,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28274,
    "c": 0.13829,
    "h": 270.9
  },
  "luminance": 0.01981
}

Semantic roles & 50–950 ramp

primary

#151A6C

secondary

#A39D3A

accent

#E03DEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #151A6C

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

Preview Lab → · Contrast checker → · Palette generator →