#1F516F#1F516F

#1F516F is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.6% C 0.073 H 238.5°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F516F
RGB	rgb(31, 81, 111)
HSL	hsl(203, 56%, 28%)
HSV	hsv(203, 72%, 44%)
CMYK	cmyk(72.1%, 27%, 0%, 56.5%)
CIE-LAB	lab(32.53, -6.03, -22.11)
CIE-LCH	lch(32.53, 22.92, 254.74°)
OKLab	oklab(41.56% -0.0382 -0.0623)
OKLCH	oklch(41.56% 0.073 238.5)
XYZ	xyz(6.3756, 7.3232, 16.1133)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F516F #6F3D1F

analogous

#1F6F65 #1F516F #1F296F

triadic

#1F516F #6F1F51 #516F1F

tetradic

#1F516F #651F6F #6F3D1F #296F1F

square

#1F516F #651F6F #6F3D1F #296F1F

split-complementary

#1F516F #6F1F29 #6F651F

monochromatic

#071118 #122E3F #1F516F #2C749F #3F95C9

Accessibility & contrast

On white

8.52

#1F516F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1F516F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F516F

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F516F	#FFFFFF	#000000	##FFFFFF
##1F516F	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435170

Deuteranopia (green-blind)

#38496E

Tritanopia (blue-blind)

#00595B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f516f;
/* rgb */ color: rgb(31, 81, 111);
/* oklch */ color: oklch(41.6% 0.073 238.5);

Tailwind

colors: {
  custom: {
    50: '#658198',
    500: '#1f516f',
    950: '#000000',
  },
}

SCSS

$custom: #1f516f;
$custom-light: #658198;
$custom-dark: #000000;

JSON

{
  "hex": "#1f516f",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 111
  },
  "hsl": {
    "h": 202.5,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.41555,
    "c": 0.07302,
    "h": 238.5
  },
  "luminance": 0.07324
}

Semantic roles & 50–950 ramp

primary

#1F516F

secondary

#A36947

accent

#8148E0

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F516F

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

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