#101B68#101B68

#101B68 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.133 H 268.7°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#101B68
RGB	rgb(16, 27, 104)
HSL	hsl(233, 73%, 24%)
HSV	hsv(233, 85%, 41%)
CMYK	cmyk(84.6%, 74%, 0%, 59.2%)
CIE-LAB	lab(14.92, 26.55, -45.92)
CIE-LCH	lch(14.92, 53.04, 300.04°)
OKLab	oklab(27.73% -0.0031 -0.133)
OKLCH	oklch(27.73% 0.133 268.7)
XYZ	xyz(3.1034, 1.8931, 13.2959)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101B68 #685D10

analogous

#104768 #101B68 #311068

triadic

#101B68 #68101B #1B6810

tetradic

#101B68 #681047 #685D10 #106831

square

#101B68 #681047 #685D10 #106831

split-complementary

#101B68 #683110 #476810

monochromatic

#04071B #080D33 #101B68 #18299D #2037D2

Accessibility & contrast

On white

15.23

#101B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#101B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B68

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101B68	#FFFFFF	#000000	##FFFFFF
##101B68	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6A

Deuteranopia (green-blind)

#002167

Tritanopia (blue-blind)

#00313F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #101b68;
/* rgb */ color: rgb(16, 27, 104);
/* oklch */ color: oklch(27.7% 0.133 268.7);

Tailwind

colors: {
  custom: {
    50: '#605794',
    500: '#101b68',
    950: '#000000',
  },
}

SCSS

$custom: #101b68;
$custom-light: #605794;
$custom-dark: #000000;

JSON

{
  "hex": "#101b68",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 232.5,
    "s": 73.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27731,
    "c": 0.13307,
    "h": 268.7
  },
  "luminance": 0.01894
}

Semantic roles & 50–950 ramp

primary

#101B68

secondary

#A09334

accent

#D938F0

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #101B68

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

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