#151871#151871

#151871 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.147 H 270.9°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#151871
RGB	rgb(21, 24, 113)
HSL	hsl(238, 69%, 26%)
HSV	hsv(238, 81%, 44%)
CMYK	cmyk(81.4%, 78.8%, 0%, 55.7%)
CIE-LAB	lab(15.51, 32.33, -50.80)
CIE-LCH	lch(15.51, 60.22, 302.47°)
OKLab	oklab(28.54% 0.0023 -0.1471)
OKLCH	oklch(28.54% 0.147 270.9)
XYZ	xyz(3.6155, 2.0045, 15.8159)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151871 #716E15

analogous

#154671 #151871 #401571

triadic

#151871 #711518 #187115

tetradic

#151871 #711546 #716E15 #157140

square

#151871 #711546 #716E15 #157140

split-complementary

#151871 #714015 #467115

monochromatic

#05051A #0B0D3D #151871 #1F23A5 #292FD7

Accessibility & contrast

On white

14.99

#151871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#151871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151871

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151871	#FFFFFF	#000000	##FFFFFF
##151871	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00226F

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151871;
/* rgb */ color: rgb(21, 24, 113);
/* oklch */ color: oklch(28.5% 0.147 270.9);

Tailwind

colors: {
  custom: {
    50: '#65569b',
    500: '#151871',
    950: '#000000',
  },
}

SCSS

$custom: #151871;
$custom-light: #65569b;
$custom-dark: #000000;

JSON

{
  "hex": "#151871",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 113
  },
  "hsl": {
    "h": 238.043,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28535,
    "c": 0.14714,
    "h": 270.9
  },
  "luminance": 0.02005
}

Semantic roles & 50–950 ramp

primary

#151871

secondary

#A7A43B

accent

#E63CEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151871

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

Preview Lab → · Contrast checker → · Palette generator →