#15156E#15156E

#15156E is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.146 H 271.6°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#15156E
RGB	rgb(21, 21, 110)
HSL	hsl(240, 68%, 26%)
HSV	hsv(240, 81%, 43%)
CMYK	cmyk(80.9%, 80.9%, 0%, 56.9%)
CIE-LAB	lab(14.52, 33.05, -50.49)
CIE-LCH	lch(14.52, 60.35, 303.21°)
OKLab	oklab(27.73% 0.0041 -0.1462)
OKLCH	oklch(27.73% 0.146 271.6)
XYZ	xyz(3.3909, 1.8212, 14.9216)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15156E #6E6E15

analogous

#15416E #15156E #41156E

triadic

#15156E #6E1515 #156E15

tetradic

#15156E #6E1541 #6E6E15 #156E41

square

#15156E #6E1541 #6E6E15 #156E41

split-complementary

#15156E #6E4115 #416E15

monochromatic

#05051A #0B0B3B #15156E #1F1FA1 #2929D5

Accessibility & contrast

On white

15.39

#15156E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#15156E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15156E

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15156E	#FFFFFF	#000000	##FFFFFF
##15156E	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002971

Deuteranopia (green-blind)

#00206C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #15156e;
/* rgb */ color: rgb(21, 21, 110);
/* oklch */ color: oklch(27.7% 0.146 271.6);

Tailwind

colors: {
  custom: {
    50: '#645499',
    500: '#15156e',
    950: '#000000',
  },
}

SCSS

$custom: #15156e;
$custom-light: #645499;
$custom-dark: #000000;

JSON

{
  "hex": "#15156e",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 110
  },
  "hsl": {
    "h": 240,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.27728,
    "c": 0.14624,
    "h": 271.6
  },
  "luminance": 0.01822
}

Semantic roles & 50–950 ramp

primary

#15156E

secondary

#A4A43A

accent

#EB3DEB

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15156E

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

Preview Lab → · Contrast checker → · Palette generator →