#3E83CB#3E83CB

#3E83CB is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.131 H 251.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3E83CB
RGB	rgb(62, 131, 203)
HSL	hsl(211, 58%, 52%)
HSV	hsv(211, 69%, 80%)
CMYK	cmyk(69.5%, 35.5%, 0%, 20.4%)
CIE-LAB	lab(53.56, 1.84, -43.62)
CIE-LCH	lch(53.56, 43.66, 272.42°)
OKLab	oklab(59.94% -0.0409 -0.1239)
OKLCH	oklch(59.94% 0.131 251.7)
XYZ	xyz(20.8784, 21.5663, 59.5507)
Luminance	0.2157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E83CB #CB863E

analogous

#3ECACB #3E83CB #403ECB

triadic

#3E83CB #CB3E83 #83CB3E

tetradic

#3E83CB #CB3ECA #CB863E #3ECB40

square

#3E83CB #CB3ECA #CB863E #3ECB40

split-complementary

#3E83CB #CB403E #CACB3E

monochromatic

#1E4670 #2B65A1 #3E83CB #6EA2D8 #9EC1E5

Accessibility & contrast

On white

3.95

#3E83CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3E83CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E83CB

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E83CB	#FFFFFF	#000000	##000000
##3E83CB	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CE

Deuteranopia (green-blind)

#4E7ACA

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3e83cb;
/* rgb */ color: rgb(62, 131, 203);
/* oklch */ color: oklch(59.9% 0.131 251.7);

Tailwind

colors: {
  custom: {
    50: '#83a6db',
    500: '#3e83cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e83cb;
$custom-light: #83a6db;
$custom-dark: #000000;

JSON

{
  "hex": "#3e83cb",
  "rgb": {
    "r": 62,
    "g": 131,
    "b": 203
  },
  "hsl": {
    "h": 210.638,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59943,
    "c": 0.1305,
    "h": 251.7
  },
  "luminance": 0.21569
}

Semantic roles & 50–950 ramp

primary

#3E83CB

secondary

#D1B394

accent

#9647E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3E83CB

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

Preview Lab → · Contrast checker → · Palette generator →