#3F8BC1#3F8BC1

#3F8BC1 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.3% C 0.111 H 242.6°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BC1
RGB	rgb(63, 139, 193)
HSL	hsl(205, 51%, 50%)
HSV	hsv(205, 67%, 76%)
CMYK	cmyk(67.4%, 28%, 0%, 24.3%)
CIE-LAB	lab(55.45, -6.17, -34.97)
CIE-LCH	lch(55.45, 35.51, 260.00°)
OKLab	oklab(61.28% -0.0512 -0.0986)
OKLCH	oklch(61.28% 0.111 242.6)
XYZ	xyz(20.9045, 23.3700, 53.8509)
Luminance	0.2337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BC1 #C1753F

analogous

#3FC1B6 #3F8BC1 #3F4AC1

triadic

#3F8BC1 #C13F8B #8BC13F

tetradic

#3F8BC1 #B63FC1 #C1753F #4AC13F

square

#3F8BC1 #B63FC1 #C1753F #4AC13F

split-complementary

#3F8BC1 #C13F4A #C1B63F

monochromatic

#214965 #306A93 #3F8BC1 #6DA7D0 #9CC3DF

Accessibility & contrast

On white

3.70

#3F8BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#3F8BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BC1

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BC1	#FFFFFF	#000000	##000000
##3F8BC1	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738CC3

Deuteranopia (green-blind)

#617FC0

Tritanopia (blue-blind)

#00989E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8bc1;
/* rgb */ color: rgb(63, 139, 193);
/* oklch */ color: oklch(61.3% 0.111 242.6);

Tailwind

colors: {
  custom: {
    50: '#82acd4',
    500: '#3f8bc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bc1;
$custom-light: #82acd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bc1",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 193
  },
  "hsl": {
    "h": 204.923,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.6128,
    "c": 0.11111,
    "h": 242.6
  },
  "luminance": 0.23372
}

Semantic roles & 50–950 ramp

primary

#3F8BC1

secondary

#CBA991

accent

#884DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8BC1

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

Preview Lab → · Contrast checker → · Palette generator →