#12102E#12102E

#12102E is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.6% C 0.058 H 282.6°. Best body text is #FFFFFF at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#12102E
RGB	rgb(18, 16, 46)
HSL	hsl(244, 48%, 12%)
HSV	hsv(244, 65%, 18%)
CMYK	cmyk(60.9%, 65.2%, 0%, 82%)
CIE-LAB	lab(6.29, 10.77, -19.67)
CIE-LCH	lch(6.29, 22.43, 298.71°)
OKLab	oklab(19.56% 0.0127 -0.0568)
OKLCH	oklch(19.56% 0.058 282.6)
XYZ	xyz(0.9277, 0.6964, 2.6698)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12102E #2C2E10

analogous

#101D2E #12102E #21102E

triadic

#12102E #2E1210 #102E12

tetradic

#12102E #2E101D #2C2E10 #102E21

square

#12102E #2E101D #2C2E10 #102E21

split-complementary

#12102E #2E2110 #1D2E10

monochromatic

#090817 #090817 #12102E #24205B #363089

Accessibility & contrast

On white

18.43

#12102E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#12102E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12102E

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12102E	#FFFFFF	#000000	##FFFFFF
##12102E	1.00	18.43	1.14	18.43
#FFFFFF	18.43	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03152F

Deuteranopia (green-blind)

#01132D

Tritanopia (blue-blind)

#08171C

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #12102e;
/* rgb */ color: rgb(18, 16, 46);
/* oklch */ color: oklch(19.6% 0.058 282.6);

Tailwind

colors: {
  custom: {
    50: '#524e67',
    500: '#12102e',
    950: '#000000',
  },
}

SCSS

$custom: #12102e;
$custom-light: #524e67;
$custom-dark: #000000;

JSON

{
  "hex": "#12102e",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 46
  },
  "hsl": {
    "h": 244,
    "s": 48.387,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19555,
    "c": 0.05822,
    "h": 282.6
  },
  "luminance": 0.00696
}

Semantic roles & 50–950 ramp

primary

#12102E

secondary

#636733

accent

#D850CF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #12102E

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

Preview Lab → · Contrast checker → · Palette generator →