#1C648F#1C648F

#1C648F is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.1% C 0.097 H 240.2°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#1C648F
RGB	rgb(28, 100, 143)
HSL	hsl(202, 67%, 34%)
HSV	hsv(202, 80%, 56%)
CMYK	cmyk(80.4%, 30.1%, 0%, 43.9%)
CIE-LAB	lab(40.15, -6.06, -29.83)
CIE-LCH	lch(40.15, 30.44, 258.52°)
OKLab	oklab(48.1% -0.0484 -0.0844)
OKLCH	oklch(48.1% 0.097 240.2)
XYZ	xyz(9.9920, 11.3432, 27.6441)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C648F #8F471C

analogous

#1C8F80 #1C648F #1C2A8F

triadic

#1C648F #8F1C64 #648F1C

tetradic

#1C648F #801C8F #8F471C #2A8F1C

square

#1C648F #801C8F #8F471C #2A8F1C

split-complementary

#1C648F #8F1C2A #8F801C

monochromatic

#081C29 #12405C #1C648F #2688C2 #4AA5DC

Accessibility & contrast

On white

6.42

#1C648F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#1C648F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C648F

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C648F	#FFFFFF	#000000	##FFFFFF
##1C648F	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506591

Deuteranopia (green-blind)

#405A8E

Tritanopia (blue-blind)

#006F73

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1c648f;
/* rgb */ color: rgb(28, 100, 143);
/* oklch */ color: oklch(48.1% 0.097 240.2);

Tailwind

colors: {
  custom: {
    50: '#6b90b0',
    500: '#1c648f',
    950: '#000000',
  },
}

SCSS

$custom: #1c648f;
$custom-light: #6b90b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c648f",
  "rgb": {
    "r": 28,
    "g": 100,
    "b": 143
  },
  "hsl": {
    "h": 202.435,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.48096,
    "c": 0.09734,
    "h": 240.2
  },
  "luminance": 0.11344
}

Semantic roles & 50–950 ramp

primary

#1C648F

secondary

#BE7549

accent

#7E3EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1C648F

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

Preview Lab → · Contrast checker → · Palette generator →