#101B6A#101B6A

#101B6A is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.136 H 268.6°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#101B6A
RGB	rgb(16, 27, 106)
HSL	hsl(233, 74%, 24%)
HSV	hsv(233, 85%, 42%)
CMYK	cmyk(84.9%, 74.5%, 0%, 58.4%)
CIE-LAB	lab(15.14, 27.34, -46.87)
CIE-LCH	lch(15.14, 54.26, 300.26°)
OKLab	oklab(27.96% -0.0033 -0.1358)
OKLCH	oklch(27.96% 0.136 268.6)
XYZ	xyz(3.2062, 1.9343, 13.8372)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101B6A #6A5F10

analogous

#10486A #101B6A #32106A

triadic

#101B6A #6A101B #1B6A10

tetradic

#101B6A #6A1048 #6A5F10 #106A32

square

#101B6A #6A1048 #6A5F10 #106A32

split-complementary

#101B6A #6A3210 #486A10

monochromatic

#04071B #080D35 #101B6A #18299F #2036D4

Accessibility & contrast

On white

15.14

#101B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#101B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B6A

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101B6A	#FFFFFF	#000000	##FFFFFF
##101B6A	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6C

Deuteranopia (green-blind)

#002269

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #101b6a;
/* rgb */ color: rgb(16, 27, 106);
/* oklch */ color: oklch(28.0% 0.136 268.6);

Tailwind

colors: {
  custom: {
    50: '#615796',
    500: '#101b6a',
    950: '#000000',
  },
}

SCSS

$custom: #101b6a;
$custom-light: #615796;
$custom-dark: #000000;

JSON

{
  "hex": "#101b6a",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 106
  },
  "hsl": {
    "h": 232.667,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27958,
    "c": 0.13582,
    "h": 268.6
  },
  "luminance": 0.01935
}

Semantic roles & 50–950 ramp

primary

#101B6A

secondary

#A29534

accent

#DA37F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #101B6A

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

Preview Lab → · Contrast checker → · Palette generator →