#151A4E#151A4E

#151A4E is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.095 H 273.2°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#151A4E
RGB	rgb(21, 26, 78)
HSL	hsl(235, 58%, 19%)
HSV	hsv(235, 73%, 31%)
CMYK	cmyk(73.1%, 66.7%, 0%, 69.4%)
CIE-LAB	lab(12.27, 17.38, -32.79)
CIE-LCH	lch(12.27, 37.11, 297.93°)
OKLab	oklab(25.07% 0.0054 -0.0945)
OKLCH	oklch(25.07% 0.095 273.2)
XYZ	xyz(2.0533, 1.4481, 7.3775)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A4E #4E4915

analogous

#15374E #151A4E #2D154E

triadic

#151A4E #4E151A #1A4E15

tetradic

#151A4E #4E1537 #4E4915 #154E2D

square

#151A4E #4E1537 #4E4915 #154E2D

split-complementary

#151A4E #4E2D15 #374E15

monochromatic

#060818 #080A1E #151A4E #222A7E #2F3AAE

Accessibility & contrast

On white

16.28

#151A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A4E

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A4E	#FFFFFF	#000000	##FFFFFF
##151A4E	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002350

Deuteranopia (green-blind)

#001E4D

Tritanopia (blue-blind)

#002731

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151a4e;
/* rgb */ color: rgb(21, 26, 78);
/* oklch */ color: oklch(25.1% 0.095 273.2);

Tailwind

colors: {
  custom: {
    50: '#5b5680',
    500: '#151a4e',
    950: '#000000',
  },
}

SCSS

$custom: #151a4e;
$custom-light: #5b5680;
$custom-dark: #000000;

JSON

{
  "hex": "#151a4e",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 78
  },
  "hsl": {
    "h": 234.737,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25066,
    "c": 0.09464,
    "h": 273.2
  },
  "luminance": 0.01448
}

Semantic roles & 50–950 ramp

primary

#151A4E

secondary

#867F39

accent

#D347E1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #151A4E

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

Preview Lab → · Contrast checker → · Palette generator →