#12153C#12153C

#12153C is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.0% C 0.074 H 275.2°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#12153C
RGB	rgb(18, 21, 60)
HSL	hsl(236, 54%, 15%)
HSV	hsv(236, 70%, 24%)
CMYK	cmyk(70%, 65%, 0%, 76.5%)
CIE-LAB	lab(8.92, 13.18, -25.65)
CIE-LCH	lch(8.92, 28.83, 297.19°)
OKLab	oklab(22% 0.0067 -0.0736)
OKLCH	oklch(22% 0.074 275.2)
XYZ	xyz(1.3330, 0.9911, 4.3951)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12153C #3C3912

analogous

#122A3C #12153C #24123C

triadic

#12153C #3C1215 #153C12

tetradic

#12153C #3C122A #3C3912 #123C24

square

#12153C #3C122A #3C3912 #123C24

split-complementary

#12153C #3C2412 #2A3C12

monochromatic

#070818 #070818 #12153C #20256B #2E369A

Accessibility & contrast

On white

17.53

#12153C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#12153C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12153C

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12153C	#FFFFFF	#000000	##FFFFFF
##12153C	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3D

Deuteranopia (green-blind)

#00183B

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #12153c;
/* rgb */ color: rgb(18, 21, 60);
/* oklch */ color: oklch(22.0% 0.074 275.2);

Tailwind

colors: {
  custom: {
    50: '#555272',
    500: '#12153c',
    950: '#000000',
  },
}

SCSS

$custom: #12153c;
$custom-light: #555272;
$custom-dark: #000000;

JSON

{
  "hex": "#12153c",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 60
  },
  "hsl": {
    "h": 235.714,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22,
    "c": 0.07396,
    "h": 275.2
  },
  "luminance": 0.00991
}

Semantic roles & 50–950 ramp

primary

#12153C

secondary

#757035

accent

#D34BDD

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #12153C

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

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