#151A7F#151A7F

#151A7F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.163 H 269.6°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#151A7F
RGB	rgb(21, 26, 127)
HSL	hsl(237, 72%, 29%)
HSV	hsv(237, 83%, 50%)
CMYK	cmyk(83.5%, 79.5%, 0%, 50.2%)
CIE-LAB	lab(17.60, 36.17, -56.34)
CIE-LCH	lch(17.60, 66.95, 302.70°)
OKLab	oklab(30.5% -0.001 -0.1632)
OKLCH	oklch(30.5% 0.163 269.6)
XYZ	xyz(4.5081, 2.4300, 20.3060)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A7F #7F7A15

analogous

#154F7F #151A7F #45157F

triadic

#151A7F #7F151A #1A7F15

tetradic

#151A7F #7F154F #7F7A15 #157F45

square

#151A7F #7F154F #7F7A15 #157F45

split-complementary

#151A7F #7F4515 #4F7F15

monochromatic

#04051A #0C0F4A #151A7F #1E25B4 #3139DD

Accessibility & contrast

On white

14.13

#151A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#151A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A7F

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A7F	#FFFFFF	#000000	##FFFFFF
##151A7F	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #151a7f;
/* rgb */ color: rgb(21, 26, 127);
/* oklch */ color: oklch(30.5% 0.163 269.6);

Tailwind

colors: {
  custom: {
    50: '#6958a5',
    500: '#151a7f',
    950: '#000000',
  },
}

SCSS

$custom: #151a7f;
$custom-light: #6958a5;
$custom-dark: #000000;

JSON

{
  "hex": "#151a7f",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 127
  },
  "hsl": {
    "h": 237.17,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.305,
    "c": 0.1632,
    "h": 269.6
  },
  "luminance": 0.02431
}

Semantic roles & 50–950 ramp

primary

#151A7F

secondary

#B4AE3C

accent

#E639EE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #151A7F

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

Preview Lab → · Contrast checker → · Palette generator →