#1D596B#1D596B

#1D596B is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.067 H 221.6°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#1D596B
RGB	rgb(29, 89, 107)
HSL	hsl(194, 57%, 27%)
HSV	hsv(194, 73%, 42%)
CMYK	cmyk(72.9%, 16.8%, 0%, 58%)
CIE-LAB	lab(34.94, -12.68, -15.90)
CIE-LCH	lch(34.94, 20.34, 231.42°)
OKLab	oklab(43.4% -0.05 -0.0444)
OKLCH	oklch(43.4% 0.067 221.6)
XYZ	xyz(6.7318, 8.4667, 15.1865)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D596B #6B2F1D

analogous

#1D6B56 #1D596B #1D326B

triadic

#1D596B #6B1D59 #596B1D

tetradic

#1D596B #561D6B #6B2F1D #326B1D

square

#1D596B #561D6B #6B2F1D #326B1D

split-complementary

#1D596B #6B1D32 #6B561D

monochromatic

#071418 #10313B #1D596B #2A819B #39A8C9

Accessibility & contrast

On white

7.80

#1D596B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1D596B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D596B

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D596B	#FFFFFF	#000000	##FFFFFF
##1D596B	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)

#444F6B

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d596b;
/* rgb */ color: rgb(29, 89, 107);
/* oklch */ color: oklch(43.4% 0.067 221.6);

Tailwind

colors: {
  custom: {
    50: '#648895',
    500: '#1d596b',
    950: '#000000',
  },
}

SCSS

$custom: #1d596b;
$custom-light: #648895;
$custom-dark: #000000;

JSON

{
  "hex": "#1d596b",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 107
  },
  "hsl": {
    "h": 193.846,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.43396,
    "c": 0.06689,
    "h": 221.6
  },
  "luminance": 0.08468
}

Semantic roles & 50–950 ramp

primary

#1D596B

secondary

#A05944

accent

#6B47E1

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1D596B

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

Preview Lab → · Contrast checker → · Palette generator →