#151B67#151B67

#151B67 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.130 H 271.1°. Best body text is #FFFFFF at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#151B67
RGB	rgb(21, 27, 103)
HSL	hsl(236, 66%, 24%)
HSV	hsv(236, 80%, 40%)
CMYK	cmyk(79.6%, 73.8%, 0%, 59.6%)
CIE-LAB	lab(15.07, 26.64, -44.99)
CIE-LCH	lch(15.07, 52.29, 300.63°)
OKLab	oklab(27.89% 0.0024 -0.1302)
OKLCH	oklch(27.89% 0.13 271.1)
XYZ	xyz(3.1485, 1.9222, 13.0344)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B67 #676115

analogous

#154467 #151B67 #381567

triadic

#151B67 #67151B #1B6715

tetradic

#151B67 #671544 #676115 #156738

square

#151B67 #671544 #676115 #156738

split-complementary

#151B67 #673815 #446715

monochromatic

#050719 #0B0E34 #151B67 #1F289A #2A36CD

Accessibility & contrast

On white

15.17

#151B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#151B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B67

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B67	#FFFFFF	#000000	##FFFFFF
##151B67	1.00	15.17	1.38	15.17
#FFFFFF	15.17	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A69

Deuteranopia (green-blind)

#002266

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151b67;
/* rgb */ color: rgb(21, 27, 103);
/* oklch */ color: oklch(27.9% 0.130 271.1);

Tailwind

colors: {
  custom: {
    50: '#625793',
    500: '#151b67',
    950: '#000000',
  },
}

SCSS

$custom: #151b67;
$custom-light: #625793;
$custom-dark: #000000;

JSON

{
  "hex": "#151b67",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 235.61,
    "s": 66.129,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27885,
    "c": 0.13024,
    "h": 271.1
  },
  "luminance": 0.01923
}

Semantic roles & 50–950 ramp

primary

#151B67

secondary

#9E973A

accent

#DD3FE9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151B67

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

Preview Lab → · Contrast checker → · Palette generator →