#3F8BBE#3F8BBE

#3F8BBE is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.1% C 0.108 H 241.1°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BBE
RGB	rgb(63, 139, 190)
HSL	hsl(204, 50%, 50%)
HSV	hsv(204, 67%, 75%)
CMYK	cmyk(66.8%, 26.8%, 0%, 25.5%)
CIE-LAB	lab(55.32, -7.19, -33.48)
CIE-LCH	lch(55.32, 34.24, 257.88°)
OKLab	oklab(61.13% -0.0521 -0.0943)
OKLCH	oklch(61.13% 0.108 241.1)
XYZ	xyz(20.5732, 23.2375, 52.1063)
Luminance	0.2324 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BBE #BE723F

analogous

#3FBEB1 #3F8BBE #3F4CBE

triadic

#3F8BBE #BE3F8B #8BBE3F

tetradic

#3F8BBE #B13FBE #BE723F #4CBE3F

square

#3F8BBE #B13FBE #BE723F #4CBE3F

split-complementary

#3F8BBE #BE3F4C #BEB13F

monochromatic

#214862 #306990 #3F8BBE #6CA7CE #9AC2DD

Accessibility & contrast

On white

3.72

#3F8BBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#3F8BBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BBE

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BBE	#FFFFFF	#000000	##000000
##3F8BBE	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748BC0

Deuteranopia (green-blind)

#627FBD

Tritanopia (blue-blind)

#00989D

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f8bbe;
/* rgb */ color: rgb(63, 139, 190);
/* oklch */ color: oklch(61.1% 0.108 241.1);

Tailwind

colors: {
  custom: {
    50: '#82acd2',
    500: '#3f8bbe',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bbe;
$custom-light: #82acd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bbe",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 190
  },
  "hsl": {
    "h": 204.094,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.61128,
    "c": 0.10775,
    "h": 241.1
  },
  "luminance": 0.2324
}

Semantic roles & 50–950 ramp

primary

#3F8BBE

secondary

#C9A78F

accent

#864EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F8BBE

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

Preview Lab → · Contrast checker → · Palette generator →