#3F90CD#3F90CD

#3F90CD is a light, vivid cyan. Relative luminance 0.254; OKLCH L 63.1% C 0.121 H 244.3°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#3F90CD
RGB	rgb(63, 144, 205)
HSL	hsl(206, 59%, 53%)
HSV	hsv(206, 69%, 80%)
CMYK	cmyk(69.3%, 29.8%, 0%, 19.6%)
CIE-LAB	lab(57.47, -4.94, -38.59)
CIE-LCH	lch(57.47, 38.91, 262.71°)
OKLab	oklab(63.06% -0.0525 -0.1091)
OKLCH	oklch(63.06% 0.121 244.3)
XYZ	xyz(23.0384, 25.4086, 61.4359)
Luminance	0.2541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90CD #CD7C3F

analogous

#3FCDC3 #3F90CD #3F49CD

triadic

#3F90CD #CD3F90 #90CD3F

tetradic

#3F90CD #C33FCD #CD7C3F #49CD3F

square

#3F90CD #C33FCD #CD7C3F #49CD3F

split-complementary

#3F90CD #CD3F49 #CDC33F

monochromatic

#1E4F74 #2B70A4 #3F90CD #70ACDA #A0C8E6

Accessibility & contrast

On white

3.45

#3F90CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#3F90CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90CD

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90CD	#FFFFFF	#000000	##000000
##3F90CD	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7492D0

Deuteranopia (green-blind)

#6184CC

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f90cd;
/* rgb */ color: rgb(63, 144, 205);
/* oklch */ color: oklch(63.1% 0.121 244.3);

Tailwind

colors: {
  custom: {
    50: '#84b0dc',
    500: '#3f90cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f90cd;
$custom-light: #84b0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90cd",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 205
  },
  "hsl": {
    "h": 205.775,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.63057,
    "c": 0.12105,
    "h": 244.3
  },
  "luminance": 0.25411
}

Semantic roles & 50–950 ramp

primary

#3F90CD

secondary

#D3B095

accent

#8946E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F90CD

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

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