#12273C#12273C

#12273C is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.7% C 0.048 H 250.1°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#12273C
RGB	rgb(18, 39, 60)
HSL	hsl(210, 54%, 15%)
HSV	hsv(210, 70%, 24%)
CMYK	cmyk(70%, 35%, 0%, 76.5%)
CIE-LAB	lab(14.98, -0.52, -15.97)
CIE-LCH	lch(14.98, 15.98, 268.14°)
OKLab	oklab(26.66% -0.0163 -0.045)
OKLCH	oklch(26.66% 0.048 250.1)
XYZ	xyz(1.7903, 1.9057, 4.5476)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12273C #3C2712

analogous

#123C3C #12273C #12123C

triadic

#12273C #3C1227 #273C12

tetradic

#12273C #3C123C #3C2712 #123C12

square

#12273C #3C123C #3C2712 #123C12

split-complementary

#12273C #3C1212 #3C3C12

monochromatic

#070F18 #070F18 #12273C #20466B #2E649A

Accessibility & contrast

On white

15.20

#12273C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#12273C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12273C

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12273C	#FFFFFF	#000000	##FFFFFF
##12273C	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E283D

Deuteranopia (green-blind)

#18243C

Tritanopia (blue-blind)

#002C2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #12273c;
/* rgb */ color: rgb(18, 39, 60);
/* oklch */ color: oklch(26.7% 0.048 250.1);

Tailwind

colors: {
  custom: {
    50: '#546071',
    500: '#12273c',
    950: '#000000',
  },
}

SCSS

$custom: #12273c;
$custom-light: #546071;
$custom-dark: #000000;

JSON

{
  "hex": "#12273c",
  "rgb": {
    "r": 18,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 210,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.26659,
    "c": 0.04791,
    "h": 250.1
  },
  "luminance": 0.01906
}

Semantic roles & 50–950 ramp

primary

#12273C

secondary

#755535

accent

#944BDD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #12273C

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

Preview Lab → · Contrast checker → · Palette generator →