#1C648C#1C648C

#1C648C is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 47.9% C 0.094 H 238.3°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C648C
RGB	rgb(28, 100, 140)
HSL	hsl(201, 67%, 33%)
HSV	hsv(201, 80%, 55%)
CMYK	cmyk(80%, 28.6%, 0%, 45.1%)
CIE-LAB	lab(40.00, -7.20, -28.25)
CIE-LCH	lch(40.00, 29.16, 255.71°)
OKLab	oklab(47.93% -0.0494 -0.0799)
OKLCH	oklch(47.93% 0.094 238.3)
XYZ	xyz(9.7678, 11.2535, 26.4632)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C648C #8C441C

analogous

#1C8C7C #1C648C #1C2C8C

triadic

#1C648C #8C1C64 #648C1C

tetradic

#1C648C #7C1C8C #8C441C #2C8C1C

square

#1C648C #7C1C8C #8C441C #2C8C1C

split-complementary

#1C648C #8C1C2C #8C7C1C

monochromatic

#081B26 #124059 #1C648C #2688BF #48A6DA

Accessibility & contrast

On white

6.46

#1C648C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#1C648C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C648C

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C648C	#FFFFFF	#000000	##FFFFFF
##1C648C	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51648E

Deuteranopia (green-blind)

#425A8B

Tritanopia (blue-blind)

#006E72

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1c648c;
/* rgb */ color: rgb(28, 100, 140);
/* oklch */ color: oklch(47.9% 0.094 238.3);

Tailwind

colors: {
  custom: {
    50: '#6b90ae',
    500: '#1c648c',
    950: '#000000',
  },
}

SCSS

$custom: #1c648c;
$custom-light: #6b90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c648c",
  "rgb": {
    "r": 28,
    "g": 100,
    "b": 140
  },
  "hsl": {
    "h": 201.429,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4793,
    "c": 0.09393,
    "h": 238.3
  },
  "luminance": 0.11255
}

Semantic roles & 50–950 ramp

primary

#1C648C

secondary

#BC7148

accent

#7B3EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1C648C

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

Preview Lab → · Contrast checker → · Palette generator →