#15166E#15166E

#15166E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.145 H 271.5°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#15166E
RGB	rgb(21, 22, 110)
HSL	hsl(239, 68%, 26%)
HSV	hsv(239, 81%, 43%)
CMYK	cmyk(80.9%, 80%, 0%, 56.9%)
CIE-LAB	lab(14.73, 32.46, -50.15)
CIE-LCH	lch(14.73, 59.74, 302.91°)
OKLab	oklab(27.88% 0.0037 -0.1452)
OKLCH	oklch(27.88% 0.145 271.5)
XYZ	xyz(3.4097, 1.8587, 14.9279)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15166E #6E6D15

analogous

#15426E #15166E #40156E

triadic

#15166E #6E1516 #166E15

tetradic

#15166E #6E1542 #6E6D15 #156E40

square

#15166E #6E1542 #6E6D15 #156E40

split-complementary

#15166E #6E4015 #426E15

monochromatic

#05051A #0B0C3B #15166E #1F20A1 #292BD5

Accessibility & contrast

On white

15.31

#15166E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#15166E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15166E

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15166E	#FFFFFF	#000000	##FFFFFF
##15166E	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002971

Deuteranopia (green-blind)

#00216C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #15166e;
/* rgb */ color: rgb(21, 22, 110);
/* oklch */ color: oklch(27.9% 0.145 271.5);

Tailwind

colors: {
  custom: {
    50: '#645599',
    500: '#15166e',
    950: '#000000',
  },
}

SCSS

$custom: #15166e;
$custom-light: #645599;
$custom-dark: #000000;

JSON

{
  "hex": "#15166e",
  "rgb": {
    "r": 21,
    "g": 22,
    "b": 110
  },
  "hsl": {
    "h": 239.326,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.27875,
    "c": 0.14524,
    "h": 271.5
  },
  "luminance": 0.01859
}

Semantic roles & 50–950 ramp

primary

#15166E

secondary

#A4A33A

accent

#E93DEB

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15166E

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

Preview Lab → · Contrast checker → · Palette generator →