#1C647F#1C647F

#1C647F is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.081 H 227.8°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C647F
RGB	rgb(28, 100, 127)
HSL	hsl(196, 64%, 30%)
HSV	hsv(196, 78%, 50%)
CMYK	cmyk(78%, 21.3%, 0%, 50.2%)
CIE-LAB	lab(39.40, -12.03, -21.33)
CIE-LCH	lch(39.40, 24.49, 240.56°)
OKLab	oklab(47.25% -0.0543 -0.0599)
OKLCH	oklch(47.25% 0.081 227.8)
XYZ	xyz(8.8653, 10.8925, 21.7098)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C647F #7F371C

analogous

#1C7F69 #1C647F #1C327F

triadic

#1C647F #7F1C64 #647F1C

tetradic

#1C647F #691C7F #7F371C #327F1C

square

#1C647F #691C7F #7F371C #327F1C

split-complementary

#1C647F #7F1C32 #7F691C

monochromatic

#06151B #113D4D #1C647F #278BB1 #40ACD5

Accessibility & contrast

On white

6.61

#1C647F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1C647F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C647F

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C647F	#FFFFFF	#000000	##FFFFFF
##1C647F	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566280

Deuteranopia (green-blind)

#48597F

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1c647f;
/* rgb */ color: rgb(28, 100, 127);
/* oklch */ color: oklch(47.2% 0.081 227.8);

Tailwind

colors: {
  custom: {
    50: '#6890a4',
    500: '#1c647f',
    950: '#000000',
  },
}

SCSS

$custom: #1c647f;
$custom-light: #6890a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c647f",
  "rgb": {
    "r": 28,
    "g": 100,
    "b": 127
  },
  "hsl": {
    "h": 196.364,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.47248,
    "c": 0.08081,
    "h": 227.8
  },
  "luminance": 0.10894
}

Semantic roles & 50–950 ramp

primary

#1C647F

secondary

#B36244

accent

#6E41E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1C647F

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

Preview Lab → · Contrast checker → · Palette generator →