#1D589D#1D589D

#1D589D is a mid, vivid cyan. Relative luminance 0.097; OKLCH L 46.1% C 0.127 H 255.0°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#1D589D
RGB	rgb(29, 88, 157)
HSL	hsl(212, 69%, 36%)
HSV	hsv(212, 82%, 62%)
CMYK	cmyk(81.5%, 43.9%, 0%, 38.4%)
CIE-LAB	lab(37.25, 7.14, -42.84)
CIE-LCH	lch(37.25, 43.43, 279.47°)
OKLab	oklab(46.08% -0.033 -0.1227)
OKLCH	oklch(46.08% 0.127 255)
XYZ	xyz(10.0800, 9.6738, 33.2277)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D589D #9D621D

analogous

#1D989D #1D589D #221D9D

triadic

#1D589D #9D1D58 #589D1D

tetradic

#1D589D #9D1D98 #9D621D #1D9D22

square

#1D589D #9D1D98 #9D621D #1D9D22

split-complementary

#1D589D #9D221D #989D1D

monochromatic

#0A1E36 #133B69 #1D589D #2775D1 #5595E0

Accessibility & contrast

On white

7.16

#1D589D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1D589D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D589D

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D589D	#FFFFFF	#000000	##FFFFFF
##1D589D	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA0

Deuteranopia (green-blind)

#1C529C

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d589d;
/* rgb */ color: rgb(29, 88, 157);
/* oklch */ color: oklch(46.1% 0.127 255.0);

Tailwind

colors: {
  custom: {
    50: '#6e86ba',
    500: '#1d589d',
    950: '#000000',
  },
}

SCSS

$custom: #1d589d;
$custom-light: #6e86ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d589d",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 157
  },
  "hsl": {
    "h": 212.344,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.46081,
    "c": 0.12711,
    "h": 255
  },
  "luminance": 0.09675
}

Semantic roles & 50–950 ramp

primary

#1D589D

secondary

#C38F53

accent

#9B3CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1D589D

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

Preview Lab → · Contrast checker → · Palette generator →