#101830#101830

#101830 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.6% C 0.049 H 268.2°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#101830
RGB	rgb(16, 24, 48)
HSL	hsl(225, 50%, 13%)
HSV	hsv(225, 67%, 19%)
CMYK	cmyk(66.7%, 50%, 0%, 81.2%)
CIE-LAB	lab(8.80, 5.31, -17.17)
CIE-LCH	lch(8.80, 17.97, 287.18°)
OKLab	oklab(21.56% -0.0015 -0.0487)
OKLCH	oklch(21.56% 0.049 268.2)
XYZ	xyz(1.0736, 0.9767, 2.9277)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101830 #302810

analogous

#102830 #101830 #181030

triadic

#101830 #301018 #183010

tetradic

#101830 #301028 #302810 #103018

square

#101830 #301028 #302810 #103018

split-complementary

#101830 #301810 #283010

monochromatic

#080B17 #080B17 #101830 #1F2F5E #2F468C

Accessibility & contrast

On white

17.57

#101830 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#101830 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101830

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101830	#FFFFFF	#000000	##FFFFFF
##101830	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E1B31

Deuteranopia (green-blind)

#0A182F

Tritanopia (blue-blind)

#021D21

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #101830;
/* rgb */ color: rgb(16, 24, 48);
/* oklch */ color: oklch(21.6% 0.049 268.2);

Tailwind

colors: {
  custom: {
    50: '#515468',
    500: '#101830',
    950: '#000000',
  },
}

SCSS

$custom: #101830;
$custom-light: #515468;
$custom-dark: #000000;

JSON

{
  "hex": "#101830",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 48
  },
  "hsl": {
    "h": 225,
    "s": 50,
    "l": 12.549
  },
  "oklch": {
    "l": 0.21564,
    "c": 0.04876,
    "h": 268.2
  },
  "luminance": 0.00977
}

Semantic roles & 50–950 ramp

primary

#101830

secondary

#695C33

accent

#B74EDA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #101830

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

Preview Lab → · Contrast checker → · Palette generator →