#3F8EB5#3F8EB5

#3F8EB5 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.4% C 0.097 H 232.9°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EB5
RGB	rgb(63, 142, 181)
HSL	hsl(200, 48%, 48%)
HSV	hsv(200, 65%, 71%)
CMYK	cmyk(65.2%, 21.5%, 0%, 29%)
CIE-LAB	lab(55.82, -11.89, -27.56)
CIE-LCH	lch(55.82, 30.02, 246.67°)
OKLab	oklab(61.4% -0.0584 -0.0772)
OKLCH	oklch(61.4% 0.097 232.9)
XYZ	xyz(20.0601, 23.7369, 47.2316)
Luminance	0.2374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EB5 #B5663F

analogous

#3FB5A1 #3F8EB5 #3F53B5

triadic

#3F8EB5 #B53F8E #8EB53F

tetradic

#3F8EB5 #A13FB5 #B5663F #53B53F

square

#3F8EB5 #A13FB5 #B5663F #53B53F

split-complementary

#3F8EB5 #B53F53 #B5A13F

monochromatic

#1F475A #2F6A88 #3F8EB5 #67A9CA #94C3DA

Accessibility & contrast

On white

3.65

#3F8EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#3F8EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EB5

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EB5	#FFFFFF	#000000	##000000
##3F8EB5	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB7

Deuteranopia (green-blind)

#6B81B4

Tritanopia (blue-blind)

#00989B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8eb5;
/* rgb */ color: rgb(63, 142, 181);
/* oklch */ color: oklch(61.4% 0.097 232.9);

Tailwind

colors: {
  custom: {
    50: '#80afcb',
    500: '#3f8eb5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8eb5;
$custom-light: #80afcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8eb5",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 181
  },
  "hsl": {
    "h": 199.831,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.61403,
    "c": 0.09682,
    "h": 232.9
  },
  "luminance": 0.23739
}

Semantic roles & 50–950 ramp

primary

#3F8EB5

secondary

#C59E8A

accent

#7D50D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8EB5

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

Preview Lab → · Contrast checker → · Palette generator →