#1D597E#1D597E

#1D597E is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.4% C 0.086 H 240.2°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D597E
RGB	rgb(29, 89, 126)
HSL	hsl(203, 63%, 30%)
HSV	hsv(203, 77%, 49%)
CMYK	cmyk(77%, 29.4%, 0%, 50.6%)
CIE-LAB	lab(35.81, -5.65, -26.30)
CIE-LCH	lch(35.81, 26.90, 257.88°)
OKLab	oklab(44.38% -0.0426 -0.0743)
OKLCH	oklch(44.38% 0.086 240.2)
XYZ	xyz(7.8435, 8.9114, 21.0413)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D597E #7E421D

analogous

#1D7E73 #1D597E #1D287E

triadic

#1D597E #7E1D59 #597E1D

tetradic

#1D597E #731D7E #7E421D #287E1D

square

#1D597E #731D7E #7E421D #287E1D

split-complementary

#1D597E #7E1D28 #7E731D

monochromatic

#06131B #12364C #1D597E #287CB0 #429CD3

Accessibility & contrast

On white

7.55

#1D597E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#1D597E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D597E

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D597E	#FFFFFF	#000000	##FFFFFF
##1D597E	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485980

Deuteranopia (green-blind)

#3A507D

Tritanopia (blue-blind)

#006266

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d597e;
/* rgb */ color: rgb(29, 89, 126);
/* oklch */ color: oklch(44.4% 0.086 240.2);

Tailwind

colors: {
  custom: {
    50: '#6887a3',
    500: '#1d597e',
    950: '#000000',
  },
}

SCSS

$custom: #1d597e;
$custom-light: #6887a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d597e",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 126
  },
  "hsl": {
    "h": 202.887,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.44384,
    "c": 0.08568,
    "h": 240.2
  },
  "luminance": 0.08912
}

Semantic roles & 50–950 ramp

primary

#1D597E

secondary

#B16F45

accent

#8142E6

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1D597E

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

Preview Lab → · Contrast checker → · Palette generator →