#3F7DD0#3F7DD0

#3F7DD0 is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.9% C 0.143 H 256.5°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DD0
RGB	rgb(63, 125, 208)
HSL	hsl(214, 61%, 53%)
HSV	hsv(214, 70%, 82%)
CMYK	cmyk(69.7%, 39.9%, 0%, 18.4%)
CIE-LAB	lab(52.15, 7.40, -48.70)
CIE-LCH	lch(52.15, 49.26, 278.64°)
OKLab	oklab(58.94% -0.0333 -0.1389)
OKLCH	oklch(58.94% 0.143 256.5)
XYZ	xyz(20.7645, 20.2759, 62.4816)
Luminance	0.2028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DD0 #D0923F

analogous

#3FC5D0 #3F7DD0 #493FD0

triadic

#3F7DD0 #D03F7D #7DD03F

tetradic

#3F7DD0 #D03FC5 #D0923F #3FD049

square

#3F7DD0 #D03FC5 #D0923F #3FD049

split-complementary

#3F7DD0 #D0493F #C5D03F

monochromatic

#1D4477 #2960A9 #3F7DD0 #709EDC #A1C0E8

Accessibility & contrast

On white

4.15

#3F7DD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#3F7DD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DD0

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DD0	#FFFFFF	#000000	##000000
##3F7DD0	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5784D3

Deuteranopia (green-blind)

#4076CE

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7dd0;
/* rgb */ color: rgb(63, 125, 208);
/* oklch */ color: oklch(58.9% 0.143 256.5);

Tailwind

colors: {
  custom: {
    50: '#84a2df',
    500: '#3f7dd0',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dd0;
$custom-light: #84a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dd0",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 208
  },
  "hsl": {
    "h": 214.345,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58935,
    "c": 0.14281,
    "h": 256.5
  },
  "luminance": 0.20278
}

Semantic roles & 50–950 ramp

primary

#3F7DD0

secondary

#D5BA96

accent

#9F44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7DD0

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

Preview Lab → · Contrast checker → · Palette generator →