#12345B#12345B

#12345B is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.3% C 0.080 H 254.0°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#12345B
RGB	rgb(18, 52, 91)
HSL	hsl(212, 67%, 21%)
HSV	hsv(212, 80%, 36%)
CMYK	cmyk(80.2%, 42.9%, 0%, 64.3%)
CIE-LAB	lab(21.36, 3.17, -26.91)
CIE-LCH	lch(21.36, 27.09, 276.71°)
OKLab	oklab(32.26% -0.022 -0.0768)
OKLCH	oklch(32.26% 0.08 254)
XYZ	xyz(3.3651, 3.3395, 10.3627)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12345B #5B3912

analogous

#12595B #12345B #15125B

triadic

#12345B #5B1234 #345B12

tetradic

#12345B #5B1259 #5B3912 #125B15

square

#12345B #5B1259 #5B3912 #125B15

split-complementary

#12345B #5B1512 #595B12

monochromatic

#050F1A #081728 #12345B #1C518E #266EC1

Accessibility & contrast

On white

12.59

#12345B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#12345B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12345B

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12345B	#FFFFFF	#000000	##FFFFFF
##12345B	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22375D

Deuteranopia (green-blind)

#16305A

Tritanopia (blue-blind)

#003D43

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #12345b;
/* rgb */ color: rgb(18, 52, 91);
/* oklch */ color: oklch(32.3% 0.080 254.0);

Tailwind

colors: {
  custom: {
    50: '#5c6b89',
    500: '#12345b',
    950: '#000000',
  },
}

SCSS

$custom: #12345b;
$custom-light: #5c6b89;
$custom-dark: #000000;

JSON

{
  "hex": "#12345b",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 91
  },
  "hsl": {
    "h": 212.055,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32264,
    "c": 0.07988,
    "h": 254
  },
  "luminance": 0.0334
}

Semantic roles & 50–950 ramp

primary

#12345B

secondary

#936835

accent

#9A3EEA

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #12345B

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

Preview Lab → · Contrast checker → · Palette generator →