#151D61#151D61

#151D61 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.6% C 0.119 H 270.9°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#151D61
RGB	rgb(21, 29, 97)
HSL	hsl(234, 64%, 23%)
HSV	hsv(234, 78%, 38%)
CMYK	cmyk(78.4%, 70.1%, 0%, 62%)
CIE-LAB	lab(14.96, 22.90, -41.22)
CIE-LCH	lch(14.96, 47.15, 299.05°)
OKLab	oklab(27.61% 0.0018 -0.1192)
OKLCH	oklch(27.61% 0.119 270.9)
XYZ	xyz(2.9056, 1.9009, 11.5207)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D61 #615915

analogous

#154361 #151D61 #331561

triadic

#151D61 #61151D #1D6115

tetradic

#151D61 #611543 #615915 #156133

square

#151D61 #611543 #615915 #156133

split-complementary

#151D61 #613315 #436115

monochromatic

#050819 #0A0E2F #151D61 #202C93 #2B3BC6

Accessibility & contrast

On white

15.22

#151D61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#151D61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D61

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D61	#FFFFFF	#000000	##FFFFFF
##151D61	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002963

Deuteranopia (green-blind)

#002260

Tritanopia (blue-blind)

#002F3C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151d61;
/* rgb */ color: rgb(21, 29, 97);
/* oklch */ color: oklch(27.6% 0.119 270.9);

Tailwind

colors: {
  custom: {
    50: '#60598f',
    500: '#151d61',
    950: '#000000',
  },
}

SCSS

$custom: #151d61;
$custom-light: #60598f;
$custom-dark: #000000;

JSON

{
  "hex": "#151d61",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 97
  },
  "hsl": {
    "h": 233.684,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.2761,
    "c": 0.11919,
    "h": 270.9
  },
  "luminance": 0.01901
}

Semantic roles & 50–950 ramp

primary

#151D61

secondary

#988E3A

accent

#D640E7

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #151D61

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

Preview Lab → · Contrast checker → · Palette generator →