#12253F#12253F

#12253F is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.3% C 0.055 H 256.7°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#12253F
RGB	rgb(18, 37, 63)
HSL	hsl(215, 56%, 16%)
HSV	hsv(215, 71%, 25%)
CMYK	cmyk(71.4%, 41.3%, 0%, 75.3%)
CIE-LAB	lab(14.46, 2.18, -18.89)
CIE-LCH	lch(14.46, 19.02, 276.58°)
OKLab	oklab(26.31% -0.0127 -0.0536)
OKLCH	oklch(26.31% 0.055 256.7)
XYZ	xyz(1.8079, 1.8104, 4.9558)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12253F #3F2C12

analogous

#123B3F #12253F #15123F

triadic

#12253F #3F1225 #253F12

tetradic

#12253F #3F123B #3F2C12 #123F15

square

#12253F #3F123B #3F2C12 #123F15

split-complementary

#12253F #3F1512 #3B3F12

monochromatic

#070E18 #070E18 #12253F #20416F #2D5D9E

Accessibility & contrast

On white

15.42

#12253F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#12253F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12253F

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12253F	#FFFFFF	#000000	##FFFFFF
##12253F	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2740

Deuteranopia (green-blind)

#14233E

Tritanopia (blue-blind)

#002B2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #12253f;
/* rgb */ color: rgb(18, 37, 63);
/* oklch */ color: oklch(26.3% 0.055 256.7);

Tailwind

colors: {
  custom: {
    50: '#555f74',
    500: '#12253f',
    950: '#000000',
  },
}

SCSS

$custom: #12253f;
$custom-light: #555f74;
$custom-dark: #000000;

JSON

{
  "hex": "#12253f",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 63
  },
  "hsl": {
    "h": 214.667,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.26307,
    "c": 0.05507,
    "h": 256.7
  },
  "luminance": 0.01811
}

Semantic roles & 50–950 ramp

primary

#12253F

secondary

#785C35

accent

#A049DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #12253F

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

Preview Lab → · Contrast checker → · Palette generator →