#1C596B#1C596B

#1C596B is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.067 H 221.3°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#1C596B
RGB	rgb(28, 89, 107)
HSL	hsl(194, 59%, 26%)
HSV	hsv(194, 74%, 42%)
CMYK	cmyk(73.8%, 16.8%, 0%, 58%)
CIE-LAB	lab(34.91, -12.84, -15.94)
CIE-LCH	lch(34.91, 20.47, 231.15°)
OKLab	oklab(43.36% -0.0506 -0.0445)
OKLCH	oklch(43.36% 0.067 221.3)
XYZ	xyz(6.7040, 8.4524, 15.1852)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C596B #6B2E1C

analogous

#1C6B56 #1C596B #1C326B

triadic

#1C596B #6B1C59 #596B1C

tetradic

#1C596B #561C6B #6B2E1C #326B1C

square

#1C596B #561C6B #6B2E1C #326B1C

split-complementary

#1C596B #6B1C32 #6B561C

monochromatic

#061418 #0F313A #1C596B #29819C #37A9CB

Accessibility & contrast

On white

7.80

#1C596B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1C596B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C596B

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C596B	#FFFFFF	#000000	##FFFFFF
##1C596B	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E576C

Deuteranopia (green-blind)

#434F6B

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c596b;
/* rgb */ color: rgb(28, 89, 107);
/* oklch */ color: oklch(43.4% 0.067 221.3);

Tailwind

colors: {
  custom: {
    50: '#648895',
    500: '#1c596b',
    950: '#000000',
  },
}

SCSS

$custom: #1c596b;
$custom-light: #648895;
$custom-dark: #000000;

JSON

{
  "hex": "#1c596b",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 107
  },
  "hsl": {
    "h": 193.671,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.43365,
    "c": 0.0674,
    "h": 221.3
  },
  "luminance": 0.08453
}

Semantic roles & 50–950 ramp

primary

#1C596B

secondary

#A05843

accent

#6A46E2

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1C596B

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

Preview Lab → · Contrast checker → · Palette generator →