#3E73BD#3E73BD

#3E73BD is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.129 H 257.1°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3E73BD
RGB	rgb(62, 115, 189)
HSL	hsl(215, 51%, 49%)
HSV	hsv(215, 67%, 74%)
CMYK	cmyk(67.2%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(48.21, 6.60, -44.11)
CIE-LCH	lch(48.21, 44.60, 278.51°)
OKLab	oklab(55.52% -0.0287 -0.1256)
OKLCH	oklch(55.52% 0.129 257.1)
XYZ	xyz(17.2993, 16.9580, 50.4958)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E73BD #BD883E

analogous

#3EB3BD #3E73BD #493EBD

triadic

#3E73BD #BD3E73 #73BD3E

tetradic

#3E73BD #BD3EB3 #BD883E #3EBD49

square

#3E73BD #BD3EB3 #BD883E #3EBD49

split-complementary

#3E73BD #BD493E #B3BD3E

monochromatic

#203B61 #2F578F #3E73BD #6A94CE #98B5DD

Accessibility & contrast

On white

4.78

#3E73BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3E73BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E73BD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E73BD	#FFFFFF	#000000	##FFFFFF
##3E73BD	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279C0

Deuteranopia (green-blind)

#3F6DBB

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3e73bd;
/* rgb */ color: rgb(62, 115, 189);
/* oklch */ color: oklch(55.5% 0.129 257.1);

Tailwind

colors: {
  custom: {
    50: '#819ad1',
    500: '#3e73bd',
    950: '#000000',
  },
}

SCSS

$custom: #3e73bd;
$custom-light: #819ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e73bd",
  "rgb": {
    "r": 62,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 214.961,
    "s": 50.598,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5552,
    "c": 0.12879,
    "h": 257.1
  },
  "luminance": 0.1696
}

Semantic roles & 50–950 ramp

primary

#3E73BD

secondary

#C9B08E

accent

#A04EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3E73BD

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

Preview Lab → · Contrast checker → · Palette generator →