#1F617F#1F617F

#1F617F is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.6% C 0.081 H 232.2°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F617F
RGB	rgb(31, 97, 127)
HSL	hsl(199, 61%, 31%)
HSV	hsv(199, 76%, 50%)
CMYK	cmyk(75.6%, 23.6%, 0%, 50.2%)
CIE-LAB	lab(38.50, -9.85, -22.71)
CIE-LCH	lch(38.50, 24.76, 246.54°)
OKLab	oklab(46.55% -0.0496 -0.0638)
OKLCH	oklch(46.55% 0.081 232.2)
XYZ	xyz(8.6690, 10.3720, 21.6197)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F617F #7F3D1F

analogous

#1F7F6D #1F617F #1F317F

triadic

#1F617F #7F1F61 #617F1F

tetradic

#1F617F #6D1F7F #7F3D1F #317F1F

square

#1F617F #6D1F7F #7F3D1F #317F1F

split-complementary

#1F617F #7F1F31 #7F6D1F

monochromatic

#07161D #133B4E #1F617F #2B87B0 #46A6D2

Accessibility & contrast

On white

6.83

#1F617F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#1F617F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F617F

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F617F	#FFFFFF	#000000	##FFFFFF
##1F617F	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526080

Deuteranopia (green-blind)

#45577F

Tritanopia (blue-blind)

#00696B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f617f;
/* rgb */ color: rgb(31, 97, 127);
/* oklch */ color: oklch(46.6% 0.081 232.2);

Tailwind

colors: {
  custom: {
    50: '#698da4',
    500: '#1f617f',
    950: '#000000',
  },
}

SCSS

$custom: #1f617f;
$custom-light: #698da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f617f",
  "rgb": {
    "r": 31,
    "g": 97,
    "b": 127
  },
  "hsl": {
    "h": 198.75,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.46553,
    "c": 0.08084,
    "h": 232.2
  },
  "luminance": 0.10373
}

Semantic roles & 50–950 ramp

primary

#1F617F

secondary

#B26948

accent

#7644E4

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1F617F

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

Preview Lab → · Contrast checker → · Palette generator →