#101242#101242

#101242 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.8% C 0.089 H 274.4°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#101242
RGB	rgb(16, 18, 66)
HSL	hsl(238, 61%, 16%)
HSV	hsv(238, 76%, 26%)
CMYK	cmyk(75.8%, 72.7%, 0%, 74.1%)
CIE-LAB	lab(8.45, 17.57, -30.69)
CIE-LCH	lch(8.45, 35.36, 299.79°)
OKLab	oklab(21.79% 0.0068 -0.0885)
OKLCH	oklch(21.79% 0.089 274.4)
XYZ	xyz(1.4130, 0.9360, 5.2594)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101242 #424010

analogous

#102B42 #101242 #271042

triadic

#101242 #421012 #124210

tetradic

#101242 #42102B #424010 #104227

square

#101242 #42102B #424010 #104227

split-complementary

#101242 #422710 #2B4210

monochromatic

#060719 #060719 #101242 #1C1F73 #282DA5

Accessibility & contrast

On white

17.69

#101242 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#101242 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101242

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101242	#FFFFFF	#000000	##FFFFFF
##101242	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B44

Deuteranopia (green-blind)

#001641

Tritanopia (blue-blind)

#001E28

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101242;
/* rgb */ color: rgb(16, 18, 66);
/* oklch */ color: oklch(21.8% 0.089 274.4);

Tailwind

colors: {
  custom: {
    50: '#564f77',
    500: '#101242',
    950: '#000000',
  },
}

SCSS

$custom: #101242;
$custom-light: #564f77;
$custom-dark: #000000;

JSON

{
  "hex": "#101242",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 66
  },
  "hsl": {
    "h": 237.6,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21791,
    "c": 0.08881,
    "h": 274.4
  },
  "luminance": 0.00936
}

Semantic roles & 50–950 ramp

primary

#101242

secondary

#7C7932

accent

#DE44E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #101242

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

Preview Lab → · Contrast checker → · Palette generator →