#1F535F#1F535F

#1F535F is a dark, muted cyan. Relative luminance 0.073; OKLCH L 41.3% C 0.058 H 215.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F535F
RGB	rgb(31, 83, 95)
HSL	hsl(191, 51%, 25%)
HSV	hsv(191, 67%, 37%)
CMYK	cmyk(67.4%, 12.6%, 0%, 62.7%)
CIE-LAB	lab(32.49, -13.03, -12.11)
CIE-LCH	lch(32.49, 17.78, 222.91°)
OKLab	oklab(41.29% -0.0471 -0.0336)
OKLCH	oklch(41.29% 0.058 215.5)
XYZ	xyz(5.7230, 7.3034, 11.9323)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F535F #5F2B1F

analogous

#1F5F4B #1F535F #1F335F

triadic

#1F535F #5F1F53 #535F1F

tetradic

#1F535F #4B1F5F #5F2B1F #335F1F

square

#1F535F #4B1F5F #5F2B1F #335F1F

split-complementary

#1F535F #5F1F33 #5F4B1F

monochromatic

#081417 #102B31 #1F535F #2E7B8D #3DA4BB

Accessibility & contrast

On white

8.53

#1F535F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1F535F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F535F

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F535F	#FFFFFF	#000000	##FFFFFF
##1F535F	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5060

Deuteranopia (green-blind)

#41495F

Tritanopia (blue-blind)

#005757

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f535f;
/* rgb */ color: rgb(31, 83, 95);
/* oklch */ color: oklch(41.3% 0.058 215.5);

Tailwind

colors: {
  custom: {
    50: '#63838c',
    500: '#1f535f',
    950: '#000000',
  },
}

SCSS

$custom: #1f535f;
$custom-light: #63838c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f535f",
  "rgb": {
    "r": 31,
    "g": 83,
    "b": 95
  },
  "hsl": {
    "h": 191.25,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.41285,
    "c": 0.05788,
    "h": 215.5
  },
  "luminance": 0.07304
}

Semantic roles & 50–950 ramp

primary

#1F535F

secondary

#945546

accent

#684EDA

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1F535F

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

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