#12154B#12154B

#12154B is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.098 H 273.6°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#12154B
RGB	rgb(18, 21, 75)
HSL	hsl(237, 61%, 18%)
HSV	hsv(237, 76%, 29%)
CMYK	cmyk(76%, 72%, 0%, 70.6%)
CIE-LAB	lab(10.36, 19.36, -33.86)
CIE-LCH	lch(10.36, 39.00, 299.76°)
OKLab	oklab(23.51% 0.0061 -0.0978)
OKLCH	oklch(23.51% 0.098 273.6)
XYZ	xyz(1.7872, 1.1728, 6.7874)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12154B #4B4812

analogous

#12314B #12154B #2B124B

triadic

#12154B #4B1215 #154B12

tetradic

#12154B #4B1231 #4B4812 #124B2B

square

#12154B #4B1231 #4B4812 #124B2B

split-complementary

#12154B #4B2B12 #314B12

monochromatic

#060719 #06071A #12154B #1E237C #2A31AE

Accessibility & contrast

On white

17.01

#12154B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#12154B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12154B

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12154B	#FFFFFF	#000000	##FFFFFF
##12154B	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4D

Deuteranopia (green-blind)

#001A4A

Tritanopia (blue-blind)

#00232D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #12154b;
/* rgb */ color: rgb(18, 21, 75);
/* oklch */ color: oklch(23.5% 0.098 273.6);

Tailwind

colors: {
  custom: {
    50: '#59527e',
    500: '#12154b',
    950: '#000000',
  },
}

SCSS

$custom: #12154b;
$custom-light: #59527e;
$custom-dark: #000000;

JSON

{
  "hex": "#12154b",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 75
  },
  "hsl": {
    "h": 236.842,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23509,
    "c": 0.09796,
    "h": 273.6
  },
  "luminance": 0.01173
}

Semantic roles & 50–950 ramp

primary

#12154B

secondary

#848035

accent

#DC43E4

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12154B

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

Preview Lab → · Contrast checker → · Palette generator →