#12124B#12124B

#12124B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.102 H 274.8°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#12124B
RGB	rgb(18, 18, 75)
HSL	hsl(240, 61%, 18%)
HSV	hsv(240, 76%, 29%)
CMYK	cmyk(76%, 76%, 0%, 70.6%)
CIE-LAB	lab(9.55, 21.51, -35.18)
CIE-LCH	lch(9.55, 41.23, 301.45°)
OKLab	oklab(22.93% 0.0085 -0.1016)
OKLCH	oklch(22.93% 0.102 274.8)
XYZ	xyz(1.7353, 1.0690, 6.7701)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12124B #4B4B12

analogous

#122E4B #12124B #2E124B

triadic

#12124B #4B1212 #124B12

tetradic

#12124B #4B122E #4B4B12 #124B2E

square

#12124B #4B122E #4B4B12 #124B2E

split-complementary

#12124B #4B2E12 #2E4B12

monochromatic

#060619 #06061A #12124B #1E1E7C #2A2AAE

Accessibility & contrast

On white

17.30

#12124B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#12124B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12124B

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12124B	#FFFFFF	#000000	##FFFFFF
##12124B	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4D

Deuteranopia (green-blind)

#00184A

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #12124b;
/* rgb */ color: rgb(18, 18, 75);
/* oklch */ color: oklch(22.9% 0.102 274.8);

Tailwind

colors: {
  custom: {
    50: '#5a507e',
    500: '#12124b',
    950: '#000000',
  },
}

SCSS

$custom: #12124b;
$custom-light: #5a507e;
$custom-dark: #000000;

JSON

{
  "hex": "#12124b",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 75
  },
  "hsl": {
    "h": 240,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.22928,
    "c": 0.10199,
    "h": 274.8
  },
  "luminance": 0.01069
}

Semantic roles & 50–950 ramp

primary

#12124B

secondary

#848435

accent

#E443E4

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12124B

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

Preview Lab → · Contrast checker → · Palette generator →