#10166A#10166A

#10166A is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.141 H 269.5°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#10166A
RGB	rgb(16, 22, 106)
HSL	hsl(236, 74%, 24%)
HSV	hsv(236, 85%, 42%)
CMYK	cmyk(84.9%, 79.2%, 0%, 58.4%)
CIE-LAB	lab(13.97, 30.60, -48.80)
CIE-LCH	lch(13.97, 57.60, 302.09°)
OKLab	oklab(27.12% -0.0013 -0.1414)
OKLCH	oklch(27.12% 0.141 269.5)
XYZ	xyz(3.1012, 1.7242, 13.8022)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10166A #6A6410

analogous

#10436A #10166A #37106A

triadic

#10166A #6A1016 #166A10

tetradic

#10166A #6A1043 #6A6410 #106A37

square

#10166A #6A1043 #6A6410 #106A37

split-complementary

#10166A #6A3710 #436A10

monochromatic

#04061B #080B35 #10166A #18219F #202CD4

Accessibility & contrast

On white

15.61

#10166A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#10166A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10166A

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10166A	#FFFFFF	#000000	##FFFFFF
##10166A	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#001F69

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #10166a;
/* rgb */ color: rgb(16, 22, 106);
/* oklch */ color: oklch(27.1% 0.141 269.5);

Tailwind

colors: {
  custom: {
    50: '#625496',
    500: '#10166a',
    950: '#000000',
  },
}

SCSS

$custom: #10166a;
$custom-light: #625496;
$custom-dark: #000000;

JSON

{
  "hex": "#10166a",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 106
  },
  "hsl": {
    "h": 236,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.2712,
    "c": 0.14138,
    "h": 269.5
  },
  "luminance": 0.01725
}

Semantic roles & 50–950 ramp

primary

#10166A

secondary

#A29B34

accent

#E437F0

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #10166A

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

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