#101042#101042

#101042 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.092 H 275.4°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#101042
RGB	rgb(16, 16, 66)
HSL	hsl(240, 61%, 16%)
HSV	hsv(240, 76%, 26%)
CMYK	cmyk(75.8%, 75.8%, 0%, 74.1%)
CIE-LAB	lab(7.89, 19.04, -31.59)
CIE-LCH	lch(7.89, 36.89, 301.08°)
OKLab	oklab(21.39% 0.0086 -0.0912)
OKLCH	oklch(21.39% 0.092 275.4)
XYZ	xyz(1.3820, 0.8740, 5.2491)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.53

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101042 #424210

analogous

#102942 #101042 #291042

triadic

#101042 #421010 #104210

tetradic

#101042 #421029 #424210 #104229

square

#101042 #421029 #424210 #104229

split-complementary

#101042 #422910 #294210

monochromatic

#060619 #060619 #101042 #1C1C73 #2828A5

Accessibility & contrast

On white

17.88

#101042 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#101042 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101042

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101042	#FFFFFF	#000000	##FFFFFF
##101042	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A44

Deuteranopia (green-blind)

#001541

Tritanopia (blue-blind)

#001D27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #101042;
/* rgb */ color: rgb(16, 16, 66);
/* oklch */ color: oklch(21.4% 0.092 275.4);

Tailwind

colors: {
  custom: {
    50: '#564e77',
    500: '#101042',
    950: '#000000',
  },
}

SCSS

$custom: #101042;
$custom-light: #564e77;
$custom-dark: #000000;

JSON

{
  "hex": "#101042",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 66
  },
  "hsl": {
    "h": 240,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21389,
    "c": 0.09161,
    "h": 275.4
  },
  "luminance": 0.00874
}

Semantic roles & 50–950 ramp

primary

#101042

secondary

#7C7C32

accent

#E444E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #101042

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

Preview Lab → · Contrast checker → · Palette generator →