#1F516A#1F516A

#1F516A is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.3% C 0.067 H 233.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F516A
RGB	rgb(31, 81, 106)
HSL	hsl(200, 55%, 27%)
HSV	hsv(200, 71%, 42%)
CMYK	cmyk(70.8%, 23.6%, 0%, 58.4%)
CIE-LAB	lab(32.29, -7.89, -19.34)
CIE-LCH	lch(32.29, 20.89, 247.81°)
OKLab	oklab(41.29% -0.0401 -0.0543)
OKLCH	oklch(41.29% 0.067 233.6)
XYZ	xyz(6.1080, 7.2161, 14.7038)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F516A #6A381F

analogous

#1F6A5E #1F516A #1F2C6A

triadic

#1F516A #6A1F51 #516A1F

tetradic

#1F516A #5E1F6A #6A381F #2C6A1F

square

#1F516A #5E1F6A #6A381F #2C6A1F

split-complementary

#1F516A #6A1F2C #6A5E1F

monochromatic

#071218 #112D3B #1F516A #2D7599 #3D99C6

Accessibility & contrast

On white

8.59

#1F516A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F516A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F516A

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F516A	#FFFFFF	#000000	##FFFFFF
##1F516A	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45506B

Deuteranopia (green-blind)

#3A496A

Tritanopia (blue-blind)

#005859

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f516a;
/* rgb */ color: rgb(31, 81, 106);
/* oklch */ color: oklch(41.3% 0.067 233.6);

Tailwind

colors: {
  custom: {
    50: '#648194',
    500: '#1f516a',
    950: '#000000',
  },
}

SCSS

$custom: #1f516a;
$custom-light: #648194;
$custom-dark: #000000;

JSON

{
  "hex": "#1f516a",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 106
  },
  "hsl": {
    "h": 200,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.41288,
    "c": 0.06747,
    "h": 233.6
  },
  "luminance": 0.07217
}

Semantic roles & 50–950 ramp

primary

#1F516A

secondary

#9E6447

accent

#7B4ADE

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1F516A

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

Preview Lab → · Contrast checker → · Palette generator →