#12365B#12365B

#12365B is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.8% C 0.077 H 251.9°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#12365B
RGB	rgb(18, 54, 91)
HSL	hsl(210, 67%, 21%)
HSV	hsv(210, 80%, 36%)
CMYK	cmyk(80.2%, 40.7%, 0%, 64.3%)
CIE-LAB	lab(22.02, 1.76, -25.85)
CIE-LCH	lch(22.02, 25.90, 273.89°)
OKLab	oklab(32.78% -0.024 -0.0736)
OKLCH	oklch(32.78% 0.077 251.9)
XYZ	xyz(3.4562, 3.5219, 10.3931)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12365B #5B3712

analogous

#125B5B #12365B #13125B

triadic

#12365B #5B1236 #365B12

tetradic

#12365B #5B125B #5B3712 #125B13

square

#12365B #5B125B #5B3712 #125B13

split-complementary

#12365B #5B1312 #5B5B12

monochromatic

#050F1A #081828 #12365B #1C548E #2673C1

Accessibility & contrast

On white

12.32

#12365B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#12365B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12365B

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12365B	#FFFFFF	#000000	##FFFFFF
##12365B	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25385D

Deuteranopia (green-blind)

#1A325A

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #12365b;
/* rgb */ color: rgb(18, 54, 91);
/* oklch */ color: oklch(32.8% 0.077 251.9);

Tailwind

colors: {
  custom: {
    50: '#5c6c89',
    500: '#12365b',
    950: '#000000',
  },
}

SCSS

$custom: #12365b;
$custom-light: #5c6c89;
$custom-dark: #000000;

JSON

{
  "hex": "#12365b",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 91
  },
  "hsl": {
    "h": 210.411,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32785,
    "c": 0.07748,
    "h": 251.9
  },
  "luminance": 0.03522
}

Semantic roles & 50–950 ramp

primary

#12365B

secondary

#936535

accent

#953EEA

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #12365B

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

Preview Lab → · Contrast checker → · Palette generator →