#3F97E0#3F97E0

#3F97E0 is a light, vivid cyan. Relative luminance 0.286; OKLCH L 65.7% C 0.137 H 247.0°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F97E0
RGB	rgb(63, 151, 224)
HSL	hsl(207, 72%, 56%)
HSV	hsv(207, 72%, 88%)
CMYK	cmyk(71.9%, 32.6%, 0%, 12.2%)
CIE-LAB	lab(60.40, -2.39, -44.61)
CIE-LCH	lch(60.40, 44.67, 266.93°)
OKLab	oklab(65.66% -0.0536 -0.1265)
OKLCH	oklch(65.66% 0.137 247)
XYZ	xyz(26.5659, 28.5688, 74.6208)
Luminance	0.2857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F97E0 #E0883F

analogous

#3FE0D9 #3F97E0 #3F47E0

triadic

#3F97E0 #E03F97 #97E03F

tetradic

#3F97E0 #D93FE0 #E0883F #47E03F

square

#3F97E0 #D93FE0 #E0883F #47E03F

split-complementary

#3F97E0 #E03F47 #E0D93F

monochromatic

#17588E #1F78C2 #3F97E0 #74B4E9 #A8D0F1

Accessibility & contrast

On white

3.13

#3F97E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#3F97E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97E0

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F97E0	#FFFFFF	#000000	##000000
##3F97E0	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769AE3

Deuteranopia (green-blind)

#5F8BDF

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f97e0;
/* rgb */ color: rgb(63, 151, 224);
/* oklch */ color: oklch(65.7% 0.137 247.0);

Tailwind

colors: {
  custom: {
    50: '#87b5ea',
    500: '#3f97e0',
    950: '#000000',
  },
}

SCSS

$custom: #3f97e0;
$custom-light: #87b5ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3f97e0",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 224
  },
  "hsl": {
    "h": 207.205,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.65662,
    "c": 0.13743,
    "h": 247
  },
  "luminance": 0.28572
}

Semantic roles & 50–950 ramp

primary

#3F97E0

secondary

#DFBA9C

accent

#8B39EF

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #3F97E0

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

Preview Lab → · Contrast checker → · Palette generator →