#18107B#18107B

#18107B is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.9% C 0.166 H 272.2°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#18107B
RGB	rgb(24, 16, 123)
HSL	hsl(244, 77%, 27%)
HSV	hsv(244, 87%, 48%)
CMYK	cmyk(80.5%, 87%, 0%, 51.8%)
CIE-LAB	lab(15.46, 40.27, -57.33)
CIE-LCH	lch(15.46, 70.06, 305.09°)
OKLab	oklab(28.91% 0.0063 -0.1658)
OKLCH	oklch(28.91% 0.166 272.2)
XYZ	xyz(4.1359, 1.9944, 18.9020)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18107B #737B10

analogous

#103E7B #18107B #4E107B

triadic

#18107B #7B1810 #107B18

tetradic

#18107B #7B103E #737B10 #107B4E

square

#18107B #7B103E #737B10 #107B4E

split-complementary

#18107B #7B4E10 #3E7B10

monochromatic

#05041B #0D0945 #18107B #2317B1 #3123E2

Accessibility & contrast

On white

15.01

#18107B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#18107B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18107B

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18107B	#FFFFFF	#000000	##FFFFFF
##18107B	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C7E

Deuteranopia (green-blind)

#002179

Tritanopia (blue-blind)

#003347

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #18107b;
/* rgb */ color: rgb(24, 16, 123);
/* oklch */ color: oklch(28.9% 0.166 272.2);

Tailwind

colors: {
  custom: {
    50: '#6952a2',
    500: '#18107b',
    950: '#000000',
  },
}

SCSS

$custom: #18107b;
$custom-light: #6952a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18107b",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 123
  },
  "hsl": {
    "h": 244.486,
    "s": 76.978,
    "l": 27.255
  },
  "oklch": {
    "l": 0.28909,
    "c": 0.16597,
    "h": 272.2
  },
  "luminance": 0.01995
}

Semantic roles & 50–950 ramp

primary

#18107B

secondary

#A8B235

accent

#F434E5

background

#F6F4FA

surface

#ECE7F4

border

#C7C3CE

text

#08020F

muted

#7A787F

Preview Lab

Preview with #18107B

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

Preview Lab → · Contrast checker → · Palette generator →