#1D599A#1D599A

#1D599A is a mid, vivid cyan. Relative luminance 0.097; OKLCH L 46.1% C 0.122 H 253.5°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D599A
RGB	rgb(29, 89, 154)
HSL	hsl(211, 68%, 36%)
HSV	hsv(211, 81%, 60%)
CMYK	cmyk(81.2%, 42.2%, 0%, 39.6%)
CIE-LAB	lab(37.37, 5.30, -40.85)
CIE-LCH	lch(37.37, 41.19, 277.39°)
OKLab	oklab(46.11% -0.0345 -0.1169)
OKLCH	oklch(46.11% 0.122 253.5)
XYZ	xyz(9.9096, 9.7379, 31.9229)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D599A #9A5E1D

analogous

#1D979A #1D599A #1F1D9A

triadic

#1D599A #9A1D59 #599A1D

tetradic

#1D599A #9A1D97 #9A5E1D #1D9A1F

square

#1D599A #9A1D97 #9A5E1D #1D9A1F

split-complementary

#1D599A #9A1F1D #979A1D

monochromatic

#0A1D33 #133B66 #1D599A #2777CE #5396DF

Accessibility & contrast

On white

7.12

#1D599A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1D599A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D599A

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D599A	#FFFFFF	#000000	##FFFFFF
##1D599A	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395E9D

Deuteranopia (green-blind)

#235399

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d599a;
/* rgb */ color: rgb(29, 89, 154);
/* oklch */ color: oklch(46.1% 0.122 253.5);

Tailwind

colors: {
  custom: {
    50: '#6e87b8',
    500: '#1d599a',
    950: '#000000',
  },
}

SCSS

$custom: #1d599a;
$custom-light: #6e87b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d599a",
  "rgb": {
    "r": 29,
    "g": 89,
    "b": 154
  },
  "hsl": {
    "h": 211.2,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.46112,
    "c": 0.12188,
    "h": 253.5
  },
  "luminance": 0.09739
}

Semantic roles & 50–950 ramp

primary

#1D599A

secondary

#C28C51

accent

#973DEB

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1D599A

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

Preview Lab → · Contrast checker → · Palette generator →