#3F7EC0#3F7EC0

#3F7EC0 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.121 H 251.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EC0
RGB	rgb(63, 126, 192)
HSL	hsl(211, 51%, 50%)
HSV	hsv(211, 67%, 75%)
CMYK	cmyk(67.2%, 34.4%, 0%, 24.7%)
CIE-LAB	lab(51.59, 1.13, -40.47)
CIE-LCH	lch(51.59, 40.49, 271.60°)
OKLab	oklab(58.22% -0.0382 -0.1148)
OKLCH	oklch(58.22% 0.121 251.6)
XYZ	xyz(19.0217, 19.7823, 52.6749)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EC0 #C0813F

analogous

#3FBEC0 #3F7EC0 #413FC0

triadic

#3F7EC0 #C03F7E #7EC03F

tetradic

#3F7EC0 #C03FBE #C0813F #3FC041

square

#3F7EC0 #C03FBE #C0813F #3FC041

split-complementary

#3F7EC0 #C0413F #BEC03F

monochromatic

#214264 #306092 #3F7EC0 #6D9DCF #9BBCDE

Accessibility & contrast

On white

4.24

#3F7EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#3F7EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EC0

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EC0	#FFFFFF	#000000	##000000
##3F7EC0	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6182C3

Deuteranopia (green-blind)

#4F75BF

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7ec0;
/* rgb */ color: rgb(63, 126, 192);
/* oklch */ color: oklch(58.2% 0.121 251.6);

Tailwind

colors: {
  custom: {
    50: '#82a3d3',
    500: '#3f7ec0',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ec0;
$custom-light: #82a3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ec0",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 192
  },
  "hsl": {
    "h": 210.698,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.58224,
    "c": 0.12096,
    "h": 251.6
  },
  "luminance": 0.19784
}

Semantic roles & 50–950 ramp

primary

#3F7EC0

secondary

#CAAE91

accent

#964EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #3F7EC0

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

Preview Lab → · Contrast checker → · Palette generator →