#1D647F#1D647F

#1D647F is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.3% C 0.080 H 228.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D647F
RGB	rgb(29, 100, 127)
HSL	hsl(197, 63%, 31%)
HSV	hsv(197, 77%, 50%)
CMYK	cmyk(77.2%, 21.3%, 0%, 50.2%)
CIE-LAB	lab(39.42, -11.90, -21.29)
CIE-LCH	lch(39.42, 24.39, 240.79°)
OKLab	oklab(47.27% -0.0538 -0.0597)
OKLCH	oklch(47.27% 0.08 228)
XYZ	xyz(8.8931, 10.9068, 21.7111)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D647F #7F381D

analogous

#1D7F69 #1D647F #1D337F

triadic

#1D647F #7F1D64 #647F1D

tetradic

#1D647F #691D7F #7F381D #337F1D

square

#1D647F #691D7F #7F381D #337F1D

split-complementary

#1D647F #7F1D33 #7F691D

monochromatic

#06161B #123D4D #1D647F #288BB1 #42ACD4

Accessibility & contrast

On white

6.60

#1D647F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1D647F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D647F

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D647F	#FFFFFF	#000000	##FFFFFF
##1D647F	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566280

Deuteranopia (green-blind)

#49597F

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1d647f;
/* rgb */ color: rgb(29, 100, 127);
/* oklch */ color: oklch(47.3% 0.080 228.0);

Tailwind

colors: {
  custom: {
    50: '#6990a4',
    500: '#1d647f',
    950: '#000000',
  },
}

SCSS

$custom: #1d647f;
$custom-light: #6990a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d647f",
  "rgb": {
    "r": 29,
    "g": 100,
    "b": 127
  },
  "hsl": {
    "h": 196.531,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.47274,
    "c": 0.08039,
    "h": 228
  },
  "luminance": 0.10908
}

Semantic roles & 50–950 ramp

primary

#1D647F

secondary

#B26345

accent

#6F42E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1D647F

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

Preview Lab → · Contrast checker → · Palette generator →