#151771#151771

#151771 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.148 H 271.0°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#151771
RGB	rgb(21, 23, 113)
HSL	hsl(239, 69%, 26%)
HSV	hsv(239, 81%, 44%)
CMYK	cmyk(81.4%, 79.6%, 0%, 55.7%)
CIE-LAB	lab(15.30, 32.94, -51.16)
CIE-LCH	lch(15.30, 60.84, 302.78°)
OKLab	oklab(28.38% 0.0027 -0.1481)
OKLCH	oklch(28.38% 0.148 271)
XYZ	xyz(3.5953, 1.9641, 15.8092)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151771 #716F15

analogous

#154571 #151771 #411571

triadic

#151771 #711517 #177115

tetradic

#151771 #711545 #716F15 #157141

square

#151771 #711545 #716F15 #157141

split-complementary

#151771 #714115 #457115

monochromatic

#05051A #0B0C3D #151771 #1F22A5 #292DD7

Accessibility & contrast

On white

15.08

#151771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#151771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151771

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151771	#FFFFFF	#000000	##FFFFFF
##151771	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00226F

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151771;
/* rgb */ color: rgb(21, 23, 113);
/* oklch */ color: oklch(28.4% 0.148 271.0);

Tailwind

colors: {
  custom: {
    50: '#65559b',
    500: '#151771',
    950: '#000000',
  },
}

SCSS

$custom: #151771;
$custom-light: #65559b;
$custom-dark: #000000;

JSON

{
  "hex": "#151771",
  "rgb": {
    "r": 21,
    "g": 23,
    "b": 113
  },
  "hsl": {
    "h": 238.696,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28383,
    "c": 0.14815,
    "h": 271
  },
  "luminance": 0.01964
}

Semantic roles & 50–950 ramp

primary

#151771

secondary

#A7A53B

accent

#E83CEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151771

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

Preview Lab → · Contrast checker → · Palette generator →