#3F9BCA#3F9BCA

#3F9BCA is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.5% C 0.111 H 234.4°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F9BCA
RGB	rgb(63, 155, 202)
HSL	hsl(200, 57%, 52%)
HSV	hsv(200, 69%, 79%)
CMYK	cmyk(68.8%, 23.3%, 0%, 20.8%)
CIE-LAB	lab(60.57, -12.15, -32.07)
CIE-LCH	lch(60.57, 34.29, 249.25°)
OKLab	oklab(65.47% -0.0644 -0.0901)
OKLCH	oklch(65.47% 0.111 234.4)
XYZ	xyz(24.4277, 28.7610, 60.1297)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9BCA #CA6E3F

analogous

#3FCAB4 #3F9BCA #3F55CA

triadic

#3F9BCA #CA3F9B #9BCA3F

tetradic

#3F9BCA #B43FCA #CA6E3F #55CA3F

square

#3F9BCA #B43FCA #CA6E3F #55CA3F

split-complementary

#3F9BCA #CA3F55 #CAB43F

monochromatic

#1F5470 #2C79A0 #3F9BCA #6FB4D7 #9FCDE4

Accessibility & contrast

On white

3.11

#3F9BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#3F9BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9BCA

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9BCA	#FFFFFF	#000000	##000000
##3F9BCA	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACC

Deuteranopia (green-blind)

#718CC9

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9bca;
/* rgb */ color: rgb(63, 155, 202);
/* oklch */ color: oklch(65.5% 0.111 234.4);

Tailwind

colors: {
  custom: {
    50: '#84b8da',
    500: '#3f9bca',
    950: '#000000',
  },
}

SCSS

$custom: #3f9bca;
$custom-light: #84b8da;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9bca",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 202
  },
  "hsl": {
    "h": 200.288,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.6547,
    "c": 0.11077,
    "h": 234.4
  },
  "luminance": 0.28764
}

Semantic roles & 50–950 ramp

primary

#3F9BCA

secondary

#D1A994

accent

#7B48E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9BCA

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

Preview Lab → · Contrast checker → · Palette generator →