#10102E#10102E

#10102E is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.4% C 0.059 H 279.4°. Best body text is #FFFFFF at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#10102E
RGB	rgb(16, 16, 46)
HSL	hsl(240, 48%, 12%)
HSV	hsv(240, 65%, 18%)
CMYK	cmyk(65.2%, 65.2%, 0%, 82%)
CIE-LAB	lab(6.12, 10.11, -19.95)
CIE-LCH	lch(6.12, 22.36, 296.87°)
OKLab	oklab(19.36% 0.0096 -0.0579)
OKLCH	oklch(19.36% 0.059 279.4)
XYZ	xyz(0.8920, 0.6779, 2.6681)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10102E #2E2E10

analogous

#101F2E #10102E #1F102E

triadic

#10102E #2E1010 #102E10

tetradic

#10102E #2E101F #2E2E10 #102E1F

square

#10102E #2E101F #2E2E10 #102E1F

split-complementary

#10102E #2E1F10 #1F2E10

monochromatic

#080817 #080817 #10102E #20205B #303089

Accessibility & contrast

On white

18.49

#10102E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#10102E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10102E

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10102E	#FFFFFF	#000000	##FFFFFF
##10102E	1.00	18.49	1.14	18.49
#FFFFFF	18.49	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02152F

Deuteranopia (green-blind)

#00122D

Tritanopia (blue-blind)

#04171C

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #10102e;
/* rgb */ color: rgb(16, 16, 46);
/* oklch */ color: oklch(19.4% 0.059 279.4);

Tailwind

colors: {
  custom: {
    50: '#514e67',
    500: '#10102e',
    950: '#000000',
  },
}

SCSS

$custom: #10102e;
$custom-light: #514e67;
$custom-dark: #000000;

JSON

{
  "hex": "#10102e",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 46
  },
  "hsl": {
    "h": 240,
    "s": 48.387,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19358,
    "c": 0.05865,
    "h": 279.4
  },
  "luminance": 0.00678
}

Semantic roles & 50–950 ramp

primary

#10102E

secondary

#676733

accent

#D850D8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #10102E

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

Preview Lab → · Contrast checker → · Palette generator →