#3F82B2#3F82B2

#3F82B2 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.100 H 242.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F82B2
RGB	rgb(63, 130, 178)
HSL	hsl(205, 48%, 47%)
HSV	hsv(205, 65%, 70%)
CMYK	cmyk(64.6%, 27%, 0%, 30.2%)
CIE-LAB	lab(52.10, -6.06, -31.63)
CIE-LCH	lch(52.10, 32.21, 259.15°)
OKLab	oklab(58.41% -0.0466 -0.089)
OKLCH	oklch(58.41% 0.1 242.4)
XYZ	xyz(18.0654, 20.2346, 45.0645)
Luminance	0.2024 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82B2 #B26F3F

analogous

#3FB2A8 #3F82B2 #3F49B2

triadic

#3F82B2 #B23F82 #82B23F

tetradic

#3F82B2 #A83FB2 #B26F3F #49B23F

square

#3F82B2 #A83FB2 #B26F3F #49B23F

split-complementary

#3F82B2 #B23F49 #B2A83F

monochromatic

#1F4058 #2F6185 #3F82B2 #669FC9 #93BBD9

Accessibility & contrast

On white

4.16

#3F82B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3F82B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82B2

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82B2	#FFFFFF	#000000	##000000
##3F82B2	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C83B4

Deuteranopia (green-blind)

#5D77B1

Tritanopia (blue-blind)

#008E93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f82b2;
/* rgb */ color: rgb(63, 130, 178);
/* oklch */ color: oklch(58.4% 0.100 242.4);

Tailwind

colors: {
  custom: {
    50: '#80a6c9',
    500: '#3f82b2',
    950: '#000000',
  },
}

SCSS

$custom: #3f82b2;
$custom-light: #80a6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82b2",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 178
  },
  "hsl": {
    "h": 205.043,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.58407,
    "c": 0.10048,
    "h": 242.4
  },
  "luminance": 0.20236
}

Semantic roles & 50–950 ramp

primary

#3F82B2

secondary

#C4A289

accent

#8950D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3F82B2

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

Preview Lab → · Contrast checker → · Palette generator →