#3F8EC5#3F8EC5

#3F8EC5 is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.2% C 0.113 H 242.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EC5
RGB	rgb(63, 142, 197)
HSL	hsl(205, 54%, 51%)
HSV	hsv(205, 68%, 77%)
CMYK	cmyk(68%, 27.9%, 0%, 22.7%)
CIE-LAB	lab(56.52, -6.53, -35.57)
CIE-LCH	lch(56.52, 36.17, 259.60°)
OKLab	oklab(62.18% -0.0529 -0.1003)
OKLCH	oklch(62.18% 0.113 242.2)
XYZ	xyz(21.7971, 24.4317, 56.3795)
Luminance	0.2443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EC5 #C5763F

analogous

#3FC5B9 #3F8EC5 #3F4BC5

triadic

#3F8EC5 #C53F8E #8EC53F

tetradic

#3F8EC5 #B93FC5 #C5763F #4BC53F

square

#3F8EC5 #B93FC5 #C5763F #4BC53F

split-complementary

#3F8EC5 #C53F4B #C5B93F

monochromatic

#204B6A #2E6D99 #3F8EC5 #6EAAD3 #9DC5E1

Accessibility & contrast

On white

3.57

#3F8EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#3F8EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EC5

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EC5	#FFFFFF	#000000	##000000
##3F8EC5	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758FC7

Deuteranopia (green-blind)

#6382C4

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8ec5;
/* rgb */ color: rgb(63, 142, 197);
/* oklch */ color: oklch(62.2% 0.113 242.2);

Tailwind

colors: {
  custom: {
    50: '#83aed7',
    500: '#3f8ec5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ec5;
$custom-light: #83aed7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ec5",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 197
  },
  "hsl": {
    "h": 204.627,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62182,
    "c": 0.11345,
    "h": 242.2
  },
  "luminance": 0.24434
}

Semantic roles & 50–950 ramp

primary

#3F8EC5

secondary

#CEAB92

accent

#874BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8EC5

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

Preview Lab → · Contrast checker → · Palette generator →