#151D50#151D50

#151D50 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.093 H 271.5°. Best body text is #FFFFFF at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#151D50
RGB	rgb(21, 29, 80)
HSL	hsl(232, 58%, 20%)
HSV	hsv(232, 74%, 31%)
CMYK	cmyk(73.7%, 63.7%, 0%, 68.6%)
CIE-LAB	lab(13.33, 15.97, -32.43)
CIE-LCH	lch(13.33, 36.15, 296.22°)
OKLab	oklab(25.91% 0.0025 -0.0934)
OKLCH	oklch(25.91% 0.093 271.5)
XYZ	xyz(2.1961, 1.6171, 7.7843)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D50 #504815

analogous

#153B50 #151D50 #2A1550

triadic

#151D50 #50151D #1D5015

tetradic

#151D50 #50153B #504815 #15502A

square

#151D50 #50153B #504815 #15502A

split-complementary

#151D50 #502A15 #3B5015

monochromatic

#060918 #080B20 #151D50 #222F80 #2E40B1

Accessibility & contrast

On white

15.87

#151D50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151D50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D50

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D50	#FFFFFF	#000000	##FFFFFF
##151D50	1.00	15.87	1.32	15.87
#FFFFFF	15.87	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002552

Deuteranopia (green-blind)

#00204F

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151d50;
/* rgb */ color: rgb(21, 29, 80);
/* oklch */ color: oklch(25.9% 0.093 271.5);

Tailwind

colors: {
  custom: {
    50: '#5b5882',
    500: '#151d50',
    950: '#000000',
  },
}

SCSS

$custom: #151d50;
$custom-light: #5b5882;
$custom-dark: #000000;

JSON

{
  "hex": "#151d50",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 80
  },
  "hsl": {
    "h": 231.864,
    "s": 58.416,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2591,
    "c": 0.09344,
    "h": 271.5
  },
  "luminance": 0.01617
}

Semantic roles & 50–950 ramp

primary

#151D50

secondary

#887D39

accent

#CD46E2

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #151D50

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

Preview Lab → · Contrast checker → · Palette generator →