#3F91CE#3F91CE

#3F91CE is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.3% C 0.121 H 244.0°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F91CE
RGB	rgb(63, 145, 206)
HSL	hsl(206, 59%, 53%)
HSV	hsv(206, 69%, 81%)
CMYK	cmyk(69.4%, 29.6%, 0%, 19.2%)
CIE-LAB	lab(57.81, -5.17, -38.62)
CIE-LCH	lch(57.81, 38.97, 262.38°)
OKLab	oklab(63.34% -0.0531 -0.1092)
OKLCH	oklch(63.34% 0.121 244)
XYZ	xyz(23.3116, 25.7613, 62.1244)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F91CE #CE7C3F

analogous

#3FCEC3 #3F91CE #3F4ACE

triadic

#3F91CE #CE3F91 #91CE3F

tetradic

#3F91CE #C33FCE #CE7C3F #4ACE3F

square

#3F91CE #C33FCE #CE7C3F #4ACE3F

split-complementary

#3F91CE #CE3F4A #CEC33F

monochromatic

#1E5075 #2A71A6 #3F91CE #70ADDA #A1C9E7

Accessibility & contrast

On white

3.41

#3F91CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#3F91CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F91CE

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F91CE	#FFFFFF	#000000	##000000
##3F91CE	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7592D1

Deuteranopia (green-blind)

#6285CD

Tritanopia (blue-blind)

#00A0A6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3f91ce;
/* rgb */ color: rgb(63, 145, 206);
/* oklch */ color: oklch(63.3% 0.121 244.0);

Tailwind

colors: {
  custom: {
    50: '#84b1dd',
    500: '#3f91ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f91ce;
$custom-light: #84b1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f91ce",
  "rgb": {
    "r": 63,
    "g": 145,
    "b": 206
  },
  "hsl": {
    "h": 205.594,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.6334,
    "c": 0.12142,
    "h": 244
  },
  "luminance": 0.25764
}

Semantic roles & 50–950 ramp

primary

#3F91CE

secondary

#D3B095

accent

#8845E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F91CE

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

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