#3F98E0#3F98E0

#3F98E0 is a light, vivid cyan. Relative luminance 0.289; OKLCH L 65.9% C 0.137 H 246.5°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F98E0
RGB	rgb(63, 152, 224)
HSL	hsl(207, 72%, 56%)
HSV	hsv(207, 72%, 88%)
CMYK	cmyk(71.9%, 32.1%, 0%, 12.2%)
CIE-LAB	lab(60.69, -2.97, -44.16)
CIE-LCH	lch(60.69, 44.26, 266.15°)
OKLab	oklab(65.89% -0.0546 -0.1252)
OKLCH	oklch(65.89% 0.137 246.5)
XYZ	xyz(26.7276, 28.8921, 74.6747)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F98E0 #E0873F

analogous

#3FE0D7 #3F98E0 #3F48E0

triadic

#3F98E0 #E03F98 #98E03F

tetradic

#3F98E0 #D73FE0 #E0873F #48E03F

square

#3F98E0 #D73FE0 #E0873F #48E03F

split-complementary

#3F98E0 #E03F48 #E0D73F

monochromatic

#17598E #1F7AC2 #3F98E0 #74B4E9 #A8D1F1

Accessibility & contrast

On white

3.10

#3F98E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#3F98E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F98E0

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F98E0	#FFFFFF	#000000	##000000
##3F98E0	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#779BE3

Deuteranopia (green-blind)

#618CDF

Tritanopia (blue-blind)

#00A9B2

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f98e0;
/* rgb */ color: rgb(63, 152, 224);
/* oklch */ color: oklch(65.9% 0.137 246.5);

Tailwind

colors: {
  custom: {
    50: '#87b6ea',
    500: '#3f98e0',
    950: '#000000',
  },
}

SCSS

$custom: #3f98e0;
$custom-light: #87b6ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3f98e0",
  "rgb": {
    "r": 63,
    "g": 152,
    "b": 224
  },
  "hsl": {
    "h": 206.832,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.65888,
    "c": 0.13657,
    "h": 246.5
  },
  "luminance": 0.28895
}

Semantic roles & 50–950 ramp

primary

#3F98E0

secondary

#DFBA9C

accent

#8A39EF

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #3F98E0

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

Preview Lab → · Contrast checker → · Palette generator →