#3F7EBD#3F7EBD

#3F7EBD is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.117 H 250.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EBD
RGB	rgb(63, 126, 189)
HSL	hsl(210, 50%, 49%)
HSV	hsv(210, 67%, 74%)
CMYK	cmyk(66.7%, 33.3%, 0%, 25.9%)
CIE-LAB	lab(51.44, 0.08, -38.99)
CIE-LCH	lch(51.44, 38.99, 270.12°)
OKLab	oklab(58.06% -0.039 -0.1104)
OKLCH	oklch(58.06% 0.117 250.5)
XYZ	xyz(18.6927, 19.6507, 50.9421)
Luminance	0.1965 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EBD #BD7E3F

analogous

#3FBDBD #3F7EBD #3F3FBD

triadic

#3F7EBD #BD3F7E #7EBD3F

tetradic

#3F7EBD #BD3FBD #BD7E3F #3FBD3F

square

#3F7EBD #BD3FBD #BD7E3F #3FBD3F

split-complementary

#3F7EBD #BD3F3F #BDBD3F

monochromatic

#204161 #305F8F #3F7EBD #6B9DCE #99BBDD

Accessibility & contrast

On white

4.26

#3F7EBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#3F7EBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EBD

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EBD	#FFFFFF	#000000	##000000
##3F7EBD	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6281C0

Deuteranopia (green-blind)

#5175BC

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7ebd;
/* rgb */ color: rgb(63, 126, 189);
/* oklch */ color: oklch(58.1% 0.117 250.5);

Tailwind

colors: {
  custom: {
    50: '#81a3d1',
    500: '#3f7ebd',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ebd;
$custom-light: #81a3d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ebd",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 189
  },
  "hsl": {
    "h": 210,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58057,
    "c": 0.11714,
    "h": 250.5
  },
  "luminance": 0.19653
}

Semantic roles & 50–950 ramp

primary

#3F7EBD

secondary

#C9AC8F

accent

#944EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #3F7EBD

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

Preview Lab → · Contrast checker → · Palette generator →