#101043#101043

#101043 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.093 H 275.2°. Best body text is #FFFFFF at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#101043
RGB	rgb(16, 16, 67)
HSL	hsl(240, 61%, 16%)
HSV	hsv(240, 76%, 26%)
CMYK	cmyk(76.1%, 76.1%, 0%, 73.7%)
CIE-LAB	lab(8.00, 19.45, -32.12)
CIE-LCH	lch(8.00, 37.55, 301.19°)
OKLab	oklab(21.5% 0.0085 -0.0928)
OKLCH	oklch(21.5% 0.093 275.2)
XYZ	xyz(1.4118, 0.8859, 5.4057)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.45

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101043 #434310

analogous

#102A43 #101043 #2A1043

triadic

#101043 #431010 #104310

tetradic

#101043 #43102A #434310 #10432A

square

#101043 #43102A #434310 #10432A

split-complementary

#101043 #432A10 #2A4310

monochromatic

#060619 #060619 #101043 #1C1C74 #2828A6

Accessibility & contrast

On white

17.84

#101043 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#101043 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101043

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101043	#FFFFFF	#000000	##FFFFFF
##101043	1.00	17.84	1.18	17.84
#FFFFFF	17.84	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A45

Deuteranopia (green-blind)

#001542

Tritanopia (blue-blind)

#001E27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101043;
/* rgb */ color: rgb(16, 16, 67);
/* oklch */ color: oklch(21.5% 0.093 275.2);

Tailwind

colors: {
  custom: {
    50: '#574e78',
    500: '#101043',
    950: '#000000',
  },
}

SCSS

$custom: #101043;
$custom-light: #574e78;
$custom-dark: #000000;

JSON

{
  "hex": "#101043",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 67
  },
  "hsl": {
    "h": 240,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.215,
    "c": 0.09314,
    "h": 275.2
  },
  "luminance": 0.00886
}

Semantic roles & 50–950 ramp

primary

#101043

secondary

#7D7D32

accent

#E543E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #101043

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

Preview Lab → · Contrast checker → · Palette generator →