#101B65#101B65

#101B65 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.129 H 268.8°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#101B65
RGB	rgb(16, 27, 101)
HSL	hsl(232, 73%, 23%)
HSV	hsv(232, 84%, 40%)
CMYK	cmyk(84.2%, 73.3%, 0%, 60.4%)
CIE-LAB	lab(14.59, 25.36, -44.49)
CIE-LCH	lch(14.59, 51.21, 299.68°)
OKLab	oklab(27.39% -0.0028 -0.1288)
OKLCH	oklch(27.39% 0.129 268.8)
XYZ	xyz(2.9538, 1.8333, 12.5076)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101B65 #655A10

analogous

#104565 #101B65 #2F1065

triadic

#101B65 #65101B #1B6510

tetradic

#101B65 #651045 #655A10 #10652F

square

#101B65 #651045 #655A10 #10652F

split-complementary

#101B65 #652F10 #456510

monochromatic

#04071A #080D30 #101B65 #18299A #2137CF

Accessibility & contrast

On white

15.36

#101B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#101B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101B65

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101B65	#FFFFFF	#000000	##FFFFFF
##101B65	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002967

Deuteranopia (green-blind)

#002164

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #101b65;
/* rgb */ color: rgb(16, 27, 101);
/* oklch */ color: oklch(27.4% 0.129 268.8);

Tailwind

colors: {
  custom: {
    50: '#605792',
    500: '#101b65',
    950: '#000000',
  },
}

SCSS

$custom: #101b65;
$custom-light: #605792;
$custom-dark: #000000;

JSON

{
  "hex": "#101b65",
  "rgb": {
    "r": 16,
    "g": 27,
    "b": 101
  },
  "hsl": {
    "h": 232.235,
    "s": 72.65,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27393,
    "c": 0.12888,
    "h": 268.8
  },
  "luminance": 0.01834
}

Semantic roles & 50–950 ramp

primary

#101B65

secondary

#9D9033

accent

#D838EF

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05030D

muted

#79787E

Preview Lab

Preview with #101B65

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

Preview Lab → · Contrast checker → · Palette generator →