#1F586F#1F586F

#1F586F is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.4% C 0.069 H 228.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F586F
RGB	rgb(31, 88, 111)
HSL	hsl(197, 56%, 28%)
HSV	hsv(197, 72%, 44%)
CMYK	cmyk(72.1%, 20.7%, 0%, 56.5%)
CIE-LAB	lab(34.84, -10.32, -18.53)
CIE-LCH	lch(34.84, 21.21, 240.89°)
OKLab	oklab(43.39% -0.046 -0.0519)
OKLCH	oklch(43.39% 0.069 228.4)
XYZ	xyz(6.9229, 8.4177, 16.2958)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F586F #6F361F

analogous

#1F6F5E #1F586F #1F306F

triadic

#1F586F #6F1F58 #586F1F

tetradic

#1F586F #5E1F6F #6F361F #306F1F

square

#1F586F #5E1F6F #6F361F #306F1F

split-complementary

#1F586F #6F1F30 #6F5E1F

monochromatic

#071318 #12323F #1F586F #2C7E9F #3FA2C9

Accessibility & contrast

On white

7.83

#1F586F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1F586F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F586F

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F586F	#FFFFFF	#000000	##FFFFFF
##1F586F	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5670

Deuteranopia (green-blind)

#414E6F

Tritanopia (blue-blind)

#005F60

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f586f;
/* rgb */ color: rgb(31, 88, 111);
/* oklch */ color: oklch(43.4% 0.069 228.4);

Tailwind

colors: {
  custom: {
    50: '#668798',
    500: '#1f586f',
    950: '#000000',
  },
}

SCSS

$custom: #1f586f;
$custom-light: #668798;
$custom-dark: #000000;

JSON

{
  "hex": "#1f586f",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 111
  },
  "hsl": {
    "h": 197.25,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43391,
    "c": 0.06939,
    "h": 228.4
  },
  "luminance": 0.08418
}

Semantic roles & 50–950 ramp

primary

#1F586F

secondary

#A36147

accent

#7448E0

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1F586F

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

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