#1F565B#1F565B

#1F565B is a dark, muted teal. Relative luminance 0.077; OKLCH L 41.9% C 0.057 H 203.5°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F565B
RGB	rgb(31, 86, 91)
HSL	hsl(185, 49%, 24%)
HSV	hsv(185, 66%, 36%)
CMYK	cmyk(65.9%, 5.5%, 0%, 64.3%)
CIE-LAB	lab(33.35, -16.10, -8.27)
CIE-LCH	lch(33.35, 18.10, 207.19°)
OKLab	oklab(41.93% -0.0526 -0.0229)
OKLCH	oklch(41.93% 0.057 203.5)
XYZ	xyz(5.7804, 7.7016, 11.0774)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F565B #5B241F

analogous

#1F5B42 #1F565B #1F385B

triadic

#1F565B #5B1F56 #565B1F

tetradic

#1F565B #421F5B #5B241F #385B1F

square

#1F565B #421F5B #5B241F #385B1F

split-complementary

#1F565B #5B1F38 #5B421F

monochromatic

#081617 #0F2B2D #1F565B #2F8189 #3EACB6

Accessibility & contrast

On white

8.27

#1F565B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1F565B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F565B

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F565B	#FFFFFF	#000000	##FFFFFF
##1F565B	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F525B

Deuteranopia (green-blind)

#464C5B

Tritanopia (blue-blind)

#005957

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f565b;
/* rgb */ color: rgb(31, 86, 91);
/* oklch */ color: oklch(41.9% 0.057 203.5);

Tailwind

colors: {
  custom: {
    50: '#638689',
    500: '#1f565b',
    950: '#000000',
  },
}

SCSS

$custom: #1f565b;
$custom-light: #638689;
$custom-dark: #000000;

JSON

{
  "hex": "#1f565b",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 91
  },
  "hsl": {
    "h": 185,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.41931,
    "c": 0.05735,
    "h": 203.5
  },
  "luminance": 0.07702
}

Semantic roles & 50–950 ramp

primary

#1F565B

secondary

#904C46

accent

#5B4FD9

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #1F565B

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

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