#3C91CB#3C91CB

#3C91CB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.119 H 242.1°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3C91CB
RGB	rgb(60, 145, 203)
HSL	hsl(204, 58%, 52%)
HSV	hsv(204, 70%, 80%)
CMYK	cmyk(70.4%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(57.58, -6.64, -37.30)
CIE-LCH	lch(57.58, 37.89, 259.90°)
OKLab	oklab(63.09% -0.0559 -0.1054)
OKLCH	oklch(63.09% 0.119 242.1)
XYZ	xyz(22.7642, 25.5207, 60.2146)
Luminance	0.2552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C91CB #CB763C

analogous

#3CCBBE #3C91CB #3C4ACB

triadic

#3C91CB #CB3C91 #91CB3C

tetradic

#3C91CB #BE3CCB #CB763C #4ACB3C

square

#3C91CB #BE3CCB #CB763C #4ACB3C

split-complementary

#3C91CB #CB3C4A #CBBE3C

monochromatic

#1E4E6F #2A709F #3C91CB #6CACD8 #9DC8E5

Accessibility & contrast

On white

3.44

#3C91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#3C91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C91CB

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C91CB	#FFFFFF	#000000	##000000
##3C91CB	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CE

Deuteranopia (green-blind)

#6384CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3c91cb;
/* rgb */ color: rgb(60, 145, 203);
/* oklch */ color: oklch(63.1% 0.119 242.1);

Tailwind

colors: {
  custom: {
    50: '#83b1db',
    500: '#3c91cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c91cb;
$custom-light: #83b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#3c91cb",
  "rgb": {
    "r": 60,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 204.336,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.63086,
    "c": 0.11926,
    "h": 242.1
  },
  "luminance": 0.25523
}

Semantic roles & 50–950 ramp

primary

#3C91CB

secondary

#D1AB92

accent

#8547E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3C91CB

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

Preview Lab → · Contrast checker → · Palette generator →