#3F7DD2#3F7DD2

#3F7DD2 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 59.1% C 0.145 H 256.9°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DD2
RGB	rgb(63, 125, 210)
HSL	hsl(215, 62%, 54%)
HSV	hsv(215, 70%, 82%)
CMYK	cmyk(70%, 40.5%, 0%, 17.6%)
CIE-LAB	lab(52.26, 8.11, -49.66)
CIE-LCH	lch(52.26, 50.32, 279.28°)
OKLab	oklab(59.06% -0.0329 -0.1417)
OKLCH	oklch(59.06% 0.145 256.9)
XYZ	xyz(21.0121, 20.3749, 63.7856)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DD2 #D2943F

analogous

#3FC6D2 #3F7DD2 #4A3FD2

triadic

#3F7DD2 #D23F7D #7DD23F

tetradic

#3F7DD2 #D23FC6 #D2943F #3FD24A

square

#3F7DD2 #D23FC6 #D2943F #3FD24A

split-complementary

#3F7DD2 #D24A3F #C6D23F

monochromatic

#1D447A #2860AC #3F7DD2 #719FDE #A2C0E9

Accessibility & contrast

On white

4.14

#3F7DD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#3F7DD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DD2

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DD2	#FFFFFF	#000000	##000000
##3F7DD2	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5584D5

Deuteranopia (green-blind)

#3E76D0

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f7dd2;
/* rgb */ color: rgb(63, 125, 210);
/* oklch */ color: oklch(59.1% 0.145 256.9);

Tailwind

colors: {
  custom: {
    50: '#85a2e0',
    500: '#3f7dd2',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dd2;
$custom-light: #85a2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dd2",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 210
  },
  "hsl": {
    "h": 214.694,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59057,
    "c": 0.14544,
    "h": 256.9
  },
  "luminance": 0.20377
}

Semantic roles & 50–950 ramp

primary

#3F7DD2

secondary

#D6BB97

accent

#A143E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #3F7DD2

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

Preview Lab → · Contrast checker → · Palette generator →