#1D589F#1D589F

#1D589F is a mid, vivid cyan. Relative luminance 0.097; OKLCH L 46.2% C 0.130 H 255.5°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D589F
RGB	rgb(29, 88, 159)
HSL	hsl(213, 69%, 37%)
HSV	hsv(213, 82%, 62%)
CMYK	cmyk(81.8%, 44.7%, 0%, 37.6%)
CIE-LAB	lab(37.38, 7.94, -43.84)
CIE-LCH	lch(37.38, 44.55, 280.27°)
OKLab	oklab(46.22% -0.0326 -0.1257)
OKLCH	oklch(46.22% 0.13 255.5)
XYZ	xyz(10.2521, 9.7426, 34.1343)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D589F #9F641D

analogous

#1D999F #1D589F #231D9F

triadic

#1D589F #9F1D58 #589F1D

tetradic

#1D589F #9F1D99 #9F641D #1D9F23

square

#1D589F #9F1D99 #9F641D #1D9F23

split-complementary

#1D589F #9F231D #999F1D

monochromatic

#0A1F37 #143B6B #1D589F #2675D3 #5695E0

Accessibility & contrast

On white

7.12

#1D589F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1D589F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D589F

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D589F	#FFFFFF	#000000	##FFFFFF
##1D589F	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)

#335EA2

Deuteranopia (green-blind)

#19539E

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1d589f;
/* rgb */ color: rgb(29, 88, 159);
/* oklch */ color: oklch(46.2% 0.130 255.5);

Tailwind

colors: {
  custom: {
    50: '#6f86bc',
    500: '#1d589f',
    950: '#000000',
  },
}

SCSS

$custom: #1d589f;
$custom-light: #6f86bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d589f",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 159
  },
  "hsl": {
    "h": 212.769,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4622,
    "c": 0.12983,
    "h": 255.5
  },
  "luminance": 0.09744
}

Semantic roles & 50–950 ramp

primary

#1D589F

secondary

#C49154

accent

#9C3CEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D589F

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

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