#151C5D#151C5D

#151C5D is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.115 H 271.4°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#151C5D
RGB	rgb(21, 28, 93)
HSL	hsl(234, 63%, 22%)
HSV	hsv(234, 77%, 36%)
CMYK	cmyk(77.4%, 69.9%, 0%, 63.5%)
CIE-LAB	lab(14.29, 22.00, -39.66)
CIE-LCH	lch(14.29, 45.35, 299.03°)
OKLab	oklab(27% 0.0028 -0.1146)
OKLCH	oklch(27% 0.115 271.4)
XYZ	xyz(2.6996, 1.7800, 10.5551)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C5D #5D5615

analogous

#15405D #151C5D #32155D

triadic

#151C5D #5D151C #1C5D15

tetradic

#151C5D #5D1540 #5D5615 #155D32

square

#151C5D #5D1540 #5D5615 #155D32

split-complementary

#151C5D #5D3215 #405D15

monochromatic

#060819 #0A0D2B #151C5D #202B8F #2C3AC1

Accessibility & contrast

On white

15.49

#151C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#151C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C5D

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C5D	#FFFFFF	#000000	##FFFFFF
##151C5D	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285F

Deuteranopia (green-blind)

#00215C

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151c5d;
/* rgb */ color: rgb(21, 28, 93);
/* oklch */ color: oklch(27.0% 0.115 271.4);

Tailwind

colors: {
  custom: {
    50: '#5f588c',
    500: '#151c5d',
    950: '#000000',
  },
}

SCSS

$custom: #151c5d;
$custom-light: #5f588c;
$custom-dark: #000000;

JSON

{
  "hex": "#151c5d",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 234.167,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.26996,
    "c": 0.11464,
    "h": 271.4
  },
  "luminance": 0.0178
}

Semantic roles & 50–950 ramp

primary

#151C5D

secondary

#948C39

accent

#D642E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151C5D

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

Preview Lab → · Contrast checker → · Palette generator →