#3F7DCC#3F7DCC

#3F7DCC is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.138 H 255.6°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DCC
RGB	rgb(63, 125, 204)
HSL	hsl(214, 58%, 52%)
HSV	hsv(214, 69%, 80%)
CMYK	cmyk(69.1%, 38.7%, 0%, 20%)
CIE-LAB	lab(51.93, 5.97, -46.78)
CIE-LCH	lch(51.93, 47.16, 277.27°)
OKLab	oklab(58.69% -0.0342 -0.1332)
OKLCH	oklch(58.69% 0.138 255.6)
XYZ	xyz(20.2786, 20.0815, 59.9224)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DCC #CC8E3F

analogous

#3FC4CC #3F7DCC #473FCC

triadic

#3F7DCC #CC3F7D #7DCC3F

tetradic

#3F7DCC #CC3FC4 #CC8E3F #3FCC47

square

#3F7DCC #CC3FC4 #CC8E3F #3FCC47

split-complementary

#3F7DCC #CC473F #C4CC3F

monochromatic

#1E4372 #2B60A3 #3F7DCC #6F9ED9 #A0BEE6

Accessibility & contrast

On white

4.19

#3F7DCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#3F7DCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DCC

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DCC	#FFFFFF	#000000	##000000
##3F7DCC	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5983CF

Deuteranopia (green-blind)

#4476CA

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7dcc;
/* rgb */ color: rgb(63, 125, 204);
/* oklch */ color: oklch(58.7% 0.138 255.6);

Tailwind

colors: {
  custom: {
    50: '#84a2dc',
    500: '#3f7dcc',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dcc;
$custom-light: #84a2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dcc",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 204
  },
  "hsl": {
    "h": 213.617,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58693,
    "c": 0.13755,
    "h": 255.6
  },
  "luminance": 0.20084
}

Semantic roles & 50–950 ramp

primary

#3F7DCC

secondary

#D2B795

accent

#9D47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7DCC

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

Preview Lab → · Contrast checker → · Palette generator →