#101F6A#101F6A

#101F6A is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.7% C 0.131 H 267.7°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#101F6A
RGB	rgb(16, 31, 106)
HSL	hsl(230, 74%, 24%)
HSV	hsv(230, 85%, 42%)
CMYK	cmyk(84.9%, 70.8%, 0%, 58.4%)
CIE-LAB	lab(16.16, 24.58, -45.19)
CIE-LCH	lch(16.16, 51.44, 298.54°)
OKLab	oklab(28.7% -0.0053 -0.1309)
OKLCH	oklch(28.7% 0.131 267.7)
XYZ	xyz(3.3043, 2.1304, 13.8699)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F6A #6A5B10

analogous

#104C6A #101F6A #2E106A

triadic

#101F6A #6A101F #1F6A10

tetradic

#101F6A #6A104C #6A5B10 #106A2E

square

#101F6A #6A104C #6A5B10 #106A2E

split-complementary

#101F6A #6A2E10 #4C6A10

monochromatic

#04081B #080F35 #101F6A #182F9F #203ED4

Accessibility & contrast

On white

14.72

#101F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#101F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F6A

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F6A	#FFFFFF	#000000	##FFFFFF
##101F6A	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6C

Deuteranopia (green-blind)

#002469

Tritanopia (blue-blind)

#003341

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #101f6a;
/* rgb */ color: rgb(16, 31, 106);
/* oklch */ color: oklch(28.7% 0.131 267.7);

Tailwind

colors: {
  custom: {
    50: '#615a95',
    500: '#101f6a',
    950: '#000000',
  },
}

SCSS

$custom: #101f6a;
$custom-light: #615a95;
$custom-dark: #000000;

JSON

{
  "hex": "#101f6a",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 106
  },
  "hsl": {
    "h": 230,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28697,
    "c": 0.13099,
    "h": 267.7
  },
  "luminance": 0.02131
}

Semantic roles & 50–950 ramp

primary

#101F6A

secondary

#A29034

accent

#D237F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #101F6A

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

Preview Lab → · Contrast checker → · Palette generator →