#3F91D2#3F91D2

#3F91D2 is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.5% C 0.126 H 245.7°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F91D2
RGB	rgb(63, 145, 210)
HSL	hsl(207, 62%, 54%)
HSV	hsv(207, 70%, 82%)
CMYK	cmyk(70%, 31%, 0%, 17.6%)
CIE-LAB	lab(58.00, -3.79, -40.58)
CIE-LCH	lch(58.00, 40.75, 264.67°)
OKLab	oklab(63.55% -0.0519 -0.1148)
OKLCH	oklch(63.55% 0.126 245.7)
XYZ	xyz(23.8037, 25.9581, 64.7162)
Luminance	0.2596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F91D2 #D2803F

analogous

#3FD2CA #3F91D2 #3F47D2

triadic

#3F91D2 #D23F91 #91D23F

tetradic

#3F91D2 #CA3FD2 #D2803F #47D23F

square

#3F91D2 #CA3FD2 #D2803F #47D23F

split-complementary

#3F91D2 #D23F47 #D2CA3F

monochromatic

#1D517A #2871AC #3F91D2 #71ADDE #A2CAE9

Accessibility & contrast

On white

3.39

#3F91D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#3F91D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F91D2

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F91D2	#FFFFFF	#000000	##000000
##3F91D2	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7493D5

Deuteranopia (green-blind)

#5F85D1

Tritanopia (blue-blind)

#00A1A8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3f91d2;
/* rgb */ color: rgb(63, 145, 210);
/* oklch */ color: oklch(63.5% 0.126 245.7);

Tailwind

colors: {
  custom: {
    50: '#85b1e0',
    500: '#3f91d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f91d2;
$custom-light: #85b1e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f91d2",
  "rgb": {
    "r": 63,
    "g": 145,
    "b": 210
  },
  "hsl": {
    "h": 206.531,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.63549,
    "c": 0.12605,
    "h": 245.7
  },
  "luminance": 0.25961
}

Semantic roles & 50–950 ramp

primary

#3F91D2

secondary

#D6B397

accent

#8B43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F91D2

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

Preview Lab → · Contrast checker → · Palette generator →