#3F8EB4#3F8EB4

#3F8EB4 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.4% C 0.096 H 232.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EB4
RGB	rgb(63, 142, 180)
HSL	hsl(199, 48%, 48%)
HSV	hsv(199, 65%, 71%)
CMYK	cmyk(65%, 21.1%, 0%, 29.4%)
CIE-LAB	lab(55.78, -12.22, -27.06)
CIE-LCH	lch(55.78, 29.69, 245.70°)
OKLab	oklab(61.36% -0.0587 -0.0758)
OKLCH	oklch(61.36% 0.096 232.2)
XYZ	xyz(19.9579, 23.6960, 46.6931)
Luminance	0.2370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EB4 #B4653F

analogous

#3FB49F #3F8EB4 #3F54B4

triadic

#3F8EB4 #B43F8E #8EB43F

tetradic

#3F8EB4 #9F3FB4 #B4653F #54B43F

square

#3F8EB4 #9F3FB4 #B4653F #54B43F

split-complementary

#3F8EB4 #B43F54 #B49F3F

monochromatic

#1F4659 #2F6A87 #3F8EB4 #67A9CA #94C3DA

Accessibility & contrast

On white

3.66

#3F8EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#3F8EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EB4

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EB4	#FFFFFF	#000000	##000000
##3F8EB4	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB6

Deuteranopia (green-blind)

#6B80B3

Tritanopia (blue-blind)

#00989B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8eb4;
/* rgb */ color: rgb(63, 142, 180);
/* oklch */ color: oklch(61.4% 0.096 232.2);

Tailwind

colors: {
  custom: {
    50: '#80afca',
    500: '#3f8eb4',
    950: '#000000',
  },
}

SCSS

$custom: #3f8eb4;
$custom-light: #80afca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8eb4",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 180
  },
  "hsl": {
    "h": 199.487,
    "s": 48.148,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61356,
    "c": 0.09589,
    "h": 232.2
  },
  "luminance": 0.23698
}

Semantic roles & 50–950 ramp

primary

#3F8EB4

secondary

#C59D8A

accent

#7C50D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8EB4

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

Preview Lab → · Contrast checker → · Palette generator →