#12596B#12596B

#12596B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.072 H 219.5°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#12596B
RGB	rgb(18, 89, 107)
HSL	hsl(192, 71%, 25%)
HSV	hsv(192, 83%, 42%)
CMYK	cmyk(83.2%, 16.8%, 0%, 58%)
CIE-LAB	lab(34.67, -14.20, -16.33)
CIE-LCH	lch(34.67, 21.64, 229.00°)
OKLab	oklab(43.11% -0.0554 -0.0457)
OKLCH	oklch(43.11% 0.072 219.5)
XYZ	xyz(6.4746, 8.3341, 15.1745)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12596B #6B2412

analogous

#126B51 #12596B #122D6B

triadic

#12596B #6B1259 #596B12

tetradic

#12596B #51126B #6B2412 #2D6B12

square

#12596B #51126B #6B2412 #2D6B12

split-complementary

#12596B #6B122D #6B5112

monochromatic

#04161A #092D37 #12596B #1B859F #24B0D4

Accessibility & contrast

On white

7.87

#12596B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#12596B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12596B

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12596B	#FFFFFF	#000000	##FFFFFF
##12596B	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E566C

Deuteranopia (green-blind)

#424E6B

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #12596b;
/* rgb */ color: rgb(18, 89, 107);
/* oklch */ color: oklch(43.1% 0.072 219.5);

Tailwind

colors: {
  custom: {
    50: '#618895',
    500: '#12596b',
    950: '#000000',
  },
}

SCSS

$custom: #12596b;
$custom-light: #618895;
$custom-dark: #000000;

JSON

{
  "hex": "#12596b",
  "rgb": {
    "r": 18,
    "g": 89,
    "b": 107
  },
  "hsl": {
    "h": 192.135,
    "s": 71.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.43105,
    "c": 0.07179,
    "h": 219.5
  },
  "luminance": 0.08335
}

Semantic roles & 50–950 ramp

primary

#12596B

secondary

#A24C36

accent

#5E3AEE

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #12596B

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

Preview Lab → · Contrast checker → · Palette generator →