#3F9ED0#3F9ED0

#3F9ED0 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.5% C 0.115 H 235.4°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ED0
RGB	rgb(63, 158, 208)
HSL	hsl(201, 61%, 53%)
HSV	hsv(201, 70%, 82%)
CMYK	cmyk(69.7%, 24%, 0%, 18.4%)
CIE-LAB	lab(61.71, -11.80, -33.65)
CIE-LCH	lch(61.71, 35.66, 250.67°)
OKLab	oklab(66.46% -0.0654 -0.0947)
OKLCH	oklch(66.46% 0.115 235.4)
XYZ	xyz(25.6574, 30.0617, 64.1126)
Luminance	0.3006 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ED0 #D0713F

analogous

#3FD0BA #3F9ED0 #3F55D0

triadic

#3F9ED0 #D03F9E #9ED03F

tetradic

#3F9ED0 #BA3FD0 #D0713F #55D03F

square

#3F9ED0 #BA3FD0 #D0713F #55D03F

split-complementary

#3F9ED0 #D03F55 #D0BA3F

monochromatic

#1D5877 #297DA9 #3F9ED0 #70B7DC #A1D0E8

Accessibility & contrast

On white

2.99

#3F9ED0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#3F9ED0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3F9ED0

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ED0	#FFFFFF	#000000	##000000
##3F9ED0	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869DD2

Deuteranopia (green-blind)

#728FCF

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3f9ed0;
/* rgb */ color: rgb(63, 158, 208);
/* oklch */ color: oklch(66.5% 0.115 235.4);

Tailwind

colors: {
  custom: {
    50: '#85bade',
    500: '#3f9ed0',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ed0;
$custom-light: #85bade;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ed0",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 208
  },
  "hsl": {
    "h": 200.69,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.66458,
    "c": 0.11503,
    "h": 235.4
  },
  "luminance": 0.30065
}

Semantic roles & 50–950 ramp

primary

#3F9ED0

secondary

#D5AC96

accent

#7B44E4

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9ED0

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

Preview Lab → · Contrast checker → · Palette generator →