#1F589D#1F589D

#1F589D is a mid, vivid cyan. Relative luminance 0.097; OKLCH L 46.1% C 0.127 H 255.4°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F589D
RGB	rgb(31, 88, 157)
HSL	hsl(213, 67%, 37%)
HSV	hsv(213, 80%, 62%)
CMYK	cmyk(80.3%, 43.9%, 0%, 38.4%)
CIE-LAB	lab(37.31, 7.36, -42.75)
CIE-LCH	lch(37.31, 43.38, 279.77°)
OKLab	oklab(46.14% -0.0319 -0.1225)
OKLCH	oklch(46.14% 0.127 255.4)
XYZ	xyz(10.1383, 9.7039, 33.2305)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F589D #9D641F

analogous

#1F979D #1F589D #251F9D

triadic

#1F589D #9D1F58 #589D1F

tetradic

#1F589D #9D1F97 #9D641F #1F9D25

square

#1F589D #9D1F97 #9D641F #1F9D25

split-complementary

#1F589D #9D251F #979D1F

monochromatic

#0B1F37 #153B6A #1F589D #2975D0 #5895DE

Accessibility & contrast

On white

7.14

#1F589D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#1F589D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F589D

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F589D	#FFFFFF	#000000	##FFFFFF
##1F589D	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA0

Deuteranopia (green-blind)

#1D539C

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f589d;
/* rgb */ color: rgb(31, 88, 157);
/* oklch */ color: oklch(46.1% 0.127 255.4);

Tailwind

colors: {
  custom: {
    50: '#6f86ba',
    500: '#1f589d',
    950: '#000000',
  },
}

SCSS

$custom: #1f589d;
$custom-light: #6f86ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f589d",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 157
  },
  "hsl": {
    "h": 212.857,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4614,
    "c": 0.12654,
    "h": 255.4
  },
  "luminance": 0.09705
}

Semantic roles & 50–950 ramp

primary

#1F589D

secondary

#C29156

accent

#9C3EEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1F589D

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

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