#3F9FCA#3F9FCA

#3F9FCA is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.4% C 0.109 H 231.1°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F9FCA
RGB	rgb(63, 159, 202)
HSL	hsl(199, 57%, 52%)
HSV	hsv(199, 69%, 79%)
CMYK	cmyk(68.8%, 21.3%, 0%, 20.8%)
CIE-LAB	lab(61.75, -14.34, -30.23)
CIE-LCH	lch(61.75, 33.46, 244.63°)
OKLab	oklab(66.41% -0.0684 -0.0848)
OKLCH	oklch(66.41% 0.109 231.1)
XYZ	xyz(25.1045, 30.1145, 60.3553)
Luminance	0.3012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9FCA #CA6A3F

analogous

#3FCAB0 #3F9FCA #3F5ACA

triadic

#3F9FCA #CA3F9F #9FCA3F

tetradic

#3F9FCA #B03FCA #CA6A3F #5ACA3F

square

#3F9FCA #B03FCA #CA6A3F #5ACA3F

split-complementary

#3F9FCA #CA3F5A #CAB03F

monochromatic

#1F5770 #2C7CA0 #3F9FCA #6FB7D7 #9FCFE4

Accessibility & contrast

On white

2.99

#3F9FCA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#3F9FCA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3F9FCA

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9FCA	#FFFFFF	#000000	##000000
##3F9FCA	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899DCC

Deuteranopia (green-blind)

#768FC9

Tritanopia (blue-blind)

#00ABAD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3f9fca;
/* rgb */ color: rgb(63, 159, 202);
/* oklch */ color: oklch(66.4% 0.109 231.1);

Tailwind

colors: {
  custom: {
    50: '#84bbda',
    500: '#3f9fca',
    950: '#000000',
  },
}

SCSS

$custom: #3f9fca;
$custom-light: #84bbda;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9fca",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 202
  },
  "hsl": {
    "h": 198.561,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.66412,
    "c": 0.10899,
    "h": 231.1
  },
  "luminance": 0.30117
}

Semantic roles & 50–950 ramp

primary

#3F9FCA

secondary

#D1A794

accent

#7748E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9FCA

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

Preview Lab → · Contrast checker → · Palette generator →