#151C5A#151C5A

#151C5A is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.7% C 0.110 H 271.6°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#151C5A
RGB	rgb(21, 28, 90)
HSL	hsl(234, 62%, 22%)
HSV	hsv(234, 77%, 35%)
CMYK	cmyk(76.7%, 68.9%, 0%, 64.7%)
CIE-LAB	lab(13.99, 20.80, -38.13)
CIE-LCH	lch(13.99, 43.44, 298.61°)
OKLab	oklab(26.69% 0.0031 -0.1102)
OKLCH	oklch(26.69% 0.11 271.6)
XYZ	xyz(2.5694, 1.7279, 9.8690)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C5A #5A5315

analogous

#153F5A #151C5A #31155A

triadic

#151C5A #5A151C #1C5A15

tetradic

#151C5A #5A153F #5A5315 #155A31

square

#151C5A #5A153F #5A5315 #155A31

split-complementary

#151C5A #5A3115 #3F5A15

monochromatic

#060819 #090D28 #151C5A #212B8C #2C3BBD

Accessibility & contrast

On white

15.61

#151C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#151C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C5A

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C5A	#FFFFFF	#000000	##FFFFFF
##151C5A	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275C

Deuteranopia (green-blind)

#002059

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151c5a;
/* rgb */ color: rgb(21, 28, 90);
/* oklch */ color: oklch(26.7% 0.110 271.6);

Tailwind

colors: {
  custom: {
    50: '#5e5889',
    500: '#151c5a',
    950: '#000000',
  },
}

SCSS

$custom: #151c5a;
$custom-light: #5e5889;
$custom-dark: #000000;

JSON

{
  "hex": "#151c5a",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 90
  },
  "hsl": {
    "h": 233.913,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26686,
    "c": 0.1102,
    "h": 271.6
  },
  "luminance": 0.01728
}

Semantic roles & 50–950 ramp

primary

#151C5A

secondary

#928939

accent

#D543E5

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151C5A

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

Preview Lab → · Contrast checker → · Palette generator →