#3A65CB#3A65CB

#3A65CB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.166 H 264.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3A65CB
RGB	rgb(58, 101, 203)
HSL	hsl(222, 58%, 51%)
HSV	hsv(222, 71%, 80%)
CMYK	cmyk(71.4%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(44.97, 19.89, -57.37)
CIE-LCH	lch(44.97, 60.72, 289.12°)
OKLab	oklab(53.25% -0.0164 -0.1648)
OKLCH	oklch(53.25% 0.166 264.3)
XYZ	xyz(17.1743, 14.5169, 58.3853)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A65CB #CBA03A

analogous

#3AADCB #3A65CB #573ACB

triadic

#3A65CB #CB3A65 #65CB3A

tetradic

#3A65CB #CB3AAD #CBA03A #3ACB57

square

#3A65CB #CB3AAD #CBA03A #3ACB57

split-complementary

#3A65CB #CB573A #ADCB3A

monochromatic

#1D356E #2A4C9E #3A65CB #6A8BD8 #9BB1E5

Accessibility & contrast

On white

5.38

#3A65CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3A65CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A65CB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A65CB	#FFFFFF	#000000	##FFFFFF
##3A65CB	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2871CF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3a65cb;
/* rgb */ color: rgb(58, 101, 203);
/* oklch */ color: oklch(53.3% 0.166 264.3);

Tailwind

colors: {
  custom: {
    50: '#8290db',
    500: '#3a65cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a65cb;
$custom-light: #8290db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a65cb",
  "rgb": {
    "r": 58,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 222.207,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53252,
    "c": 0.16565,
    "h": 264.3
  },
  "luminance": 0.14519
}

Semantic roles & 50–950 ramp

primary

#3A65CB

secondary

#D0BD90

accent

#B346E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3A65CB

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

Preview Lab → · Contrast checker → · Palette generator →