#1B608C#1B608C

#1B608C is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.9% C 0.097 H 241.8°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B608C
RGB	rgb(27, 96, 140)
HSL	hsl(203, 68%, 33%)
HSV	hsv(203, 81%, 55%)
CMYK	cmyk(80.7%, 31.4%, 0%, 45.1%)
CIE-LAB	lab(38.71, -4.87, -30.29)
CIE-LCH	lch(38.71, 30.68, 260.87°)
OKLab	oklab(46.9% -0.046 -0.0858)
OKLCH	oklch(46.9% 0.097 241.8)
XYZ	xyz(9.3666, 10.4911, 26.3372)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B608C #8C471B

analogous

#1B8C80 #1B608C #1B278C

triadic

#1B608C #8C1B60 #608C1B

tetradic

#1B608C #801B8C #8C471B #278C1B

square

#1B608C #801B8C #8C471B #278C1B

split-complementary

#1B608C #8C1B27 #8C801B

monochromatic

#071A25 #113D59 #1B608C #2583BF #46A1DB

Accessibility & contrast

On white

6.78

#1B608C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1B608C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B608C

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B608C	#FFFFFF	#000000	##FFFFFF
##1B608C	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B618E

Deuteranopia (green-blind)

#3C568B

Tritanopia (blue-blind)

#006B70

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1b608c;
/* rgb */ color: rgb(27, 96, 140);
/* oklch */ color: oklch(46.9% 0.097 241.8);

Tailwind

colors: {
  custom: {
    50: '#6a8dae',
    500: '#1b608c',
    950: '#000000',
  },
}

SCSS

$custom: #1b608c;
$custom-light: #6a8dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1b608c",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 140
  },
  "hsl": {
    "h": 203.363,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.46897,
    "c": 0.09738,
    "h": 241.8
  },
  "luminance": 0.10492
}

Semantic roles & 50–950 ramp

primary

#1B608C

secondary

#BD7446

accent

#813DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1B608C

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

Preview Lab → · Contrast checker → · Palette generator →