#3F82BF#3F82BF

#3F82BF is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 59.1% C 0.116 H 248.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F82BF
RGB	rgb(63, 130, 191)
HSL	hsl(209, 50%, 50%)
HSV	hsv(209, 67%, 75%)
CMYK	cmyk(67%, 31.9%, 0%, 25.1%)
CIE-LAB	lab(52.71, -1.60, -38.13)
CIE-LCH	lch(52.71, 38.17, 267.59°)
OKLab	oklab(59.09% -0.0426 -0.1079)
OKLCH	oklch(59.09% 0.116 248.5)
XYZ	xyz(19.4330, 20.7816, 52.2672)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82BF #BF7C3F

analogous

#3FBFBC #3F82BF #3F42BF

triadic

#3F82BF #BF3F82 #82BF3F

tetradic

#3F82BF #BC3FBF #BF7C3F #42BF3F

square

#3F82BF #BC3FBF #BF7C3F #42BF3F

split-complementary

#3F82BF #BF3F42 #BFBC3F

monochromatic

#214363 #306391 #3F82BF #6DA0CF #9BBEDE

Accessibility & contrast

On white

4.07

#3F82BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#3F82BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82BF

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82BF	#FFFFFF	#000000	##000000
##3F82BF	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6785C2

Deuteranopia (green-blind)

#5578BE

Tritanopia (blue-blind)

#009098

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f82bf;
/* rgb */ color: rgb(63, 130, 191);
/* oklch */ color: oklch(59.1% 0.116 248.5);

Tailwind

colors: {
  custom: {
    50: '#81a6d2',
    500: '#3f82bf',
    950: '#000000',
  },
}

SCSS

$custom: #3f82bf;
$custom-light: #81a6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82bf",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 191
  },
  "hsl": {
    "h": 208.594,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.59086,
    "c": 0.11599,
    "h": 248.5
  },
  "luminance": 0.20784
}

Semantic roles & 50–950 ramp

primary

#3F82BF

secondary

#CAAC90

accent

#914EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F82BF

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

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