#101F65#101F65

#101F65 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.2% C 0.124 H 267.7°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#101F65
RGB	rgb(16, 31, 101)
HSL	hsl(229, 73%, 23%)
HSV	hsv(229, 84%, 40%)
CMYK	cmyk(84.2%, 69.3%, 0%, 60.4%)
CIE-LAB	lab(15.64, 22.54, -42.75)
CIE-LCH	lch(15.64, 48.33, 297.79°)
OKLab	oklab(28.16% -0.005 -0.1238)
OKLCH	oklch(28.16% 0.124 267.7)
XYZ	xyz(3.0518, 2.0294, 12.5403)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F65 #655610

analogous

#104965 #101F65 #2B1065

triadic

#101F65 #65101F #1F6510

tetradic

#101F65 #651049 #655610 #10652B

square

#101F65 #651049 #655610 #10652B

split-complementary

#101F65 #652B10 #496510

monochromatic

#04081A #080F30 #101F65 #182F9A #213FCF

Accessibility & contrast

On white

14.94

#101F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#101F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F65

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F65	#FFFFFF	#000000	##FFFFFF
##101F65	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002364

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #101f65;
/* rgb */ color: rgb(16, 31, 101);
/* oklch */ color: oklch(28.2% 0.124 267.7);

Tailwind

colors: {
  custom: {
    50: '#5f5a92',
    500: '#101f65',
    950: '#000000',
  },
}

SCSS

$custom: #101f65;
$custom-light: #5f5a92;
$custom-dark: #000000;

JSON

{
  "hex": "#101f65",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 101
  },
  "hsl": {
    "h": 229.412,
    "s": 72.65,
    "l": 22.941
  },
  "oklch": {
    "l": 0.28162,
    "c": 0.12387,
    "h": 267.7
  },
  "luminance": 0.0203
}

Semantic roles & 50–950 ramp

primary

#101F65

secondary

#9D8B33

accent

#CF38EF

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05030D

muted

#79787E

Preview Lab

Preview with #101F65

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

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