#3891CD#3891CD

#3891CD is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.123 H 242.1°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3891CD
RGB	rgb(56, 145, 205)
HSL	hsl(204, 60%, 51%)
HSV	hsv(204, 73%, 80%)
CMYK	cmyk(72.7%, 29.3%, 0%, 19.6%)
CIE-LAB	lab(57.56, -6.51, -38.47)
CIE-LCH	lch(57.56, 39.02, 260.40°)
OKLab	oklab(63.07% -0.0575 -0.1088)
OKLCH	oklch(63.07% 0.123 242.1)
XYZ	xyz(22.7715, 25.4967, 61.4670)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891CD #CD7438

analogous

#38CDBE #3891CD #3846CD

triadic

#3891CD #CD3891 #91CD38

tetradic

#3891CD #BE38CD #CD7438 #46CD38

square

#3891CD #BE38CD #CD7438 #46CD38

split-complementary

#3891CD #CD3846 #CDBE38

monochromatic

#1C4D6F #2870A0 #3891CD #69ACD9 #9AC7E6

Accessibility & contrast

On white

3.44

#3891CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#3891CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891CD

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891CD	#FFFFFF	#000000	##000000
##3891CD	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)

#7592D0

Deuteranopia (green-blind)

#6184CC

Tritanopia (blue-blind)

#00A0A6

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3891cd;
/* rgb */ color: rgb(56, 145, 205);
/* oklch */ color: oklch(63.1% 0.123 242.1);

Tailwind

colors: {
  custom: {
    50: '#81b1dc',
    500: '#3891cd',
    950: '#000000',
  },
}

SCSS

$custom: #3891cd;
$custom-light: #81b1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3891cd",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 205
  },
  "hsl": {
    "h": 204.161,
    "s": 59.839,
    "l": 51.176
  },
  "oklch": {
    "l": 0.63066,
    "c": 0.12306,
    "h": 242.1
  },
  "luminance": 0.25499
}

Semantic roles & 50–950 ramp

primary

#3891CD

secondary

#D1AA8F

accent

#8545E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3891CD

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

Preview Lab → · Contrast checker → · Palette generator →