#3A4FCB#3A4FCB

#3A4FCB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.0% C 0.192 H 270.2°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FCB
RGB	rgb(58, 79, 203)
HSL	hsl(231, 58%, 51%)
HSV	hsv(231, 71%, 80%)
CMYK	cmyk(71.4%, 61.1%, 0%, 20.4%)
CIE-LAB	lab(39.24, 33.97, -66.66)
CIE-LCH	lch(39.24, 74.81, 297.00°)
OKLab	oklab(48.96% 0.0007 -0.1924)
OKLCH	oklch(48.96% 0.192 270.2)
XYZ	xyz(15.3167, 10.8017, 57.7661)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FCB #CBB63A

analogous

#3A97CB #3A4FCB #6D3ACB

triadic

#3A4FCB #CB3A4F #4FCB3A

tetradic

#3A4FCB #CB3A97 #CBB63A #3ACB6D

square

#3A4FCB #CB3A97 #CBB63A #3ACB6D

split-complementary

#3A4FCB #CB6D3A #97CB3A

monochromatic

#1D296E #2A3B9E #3A4FCB #6A7AD8 #9BA6E5

Accessibility & contrast

On white

6.64

#3A4FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3A4FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A4FCB

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FCB	#FFFFFF	#000000	##FFFFFF
##3A4FCB	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CF

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#006F85

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3a4fcb;
/* rgb */ color: rgb(58, 79, 203);
/* oklch */ color: oklch(49.0% 0.192 270.2);

Tailwind

colors: {
  custom: {
    50: '#8380dc',
    500: '#3a4fcb',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fcb;
$custom-light: #8380dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fcb",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 203
  },
  "hsl": {
    "h": 231.31,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48955,
    "c": 0.19244,
    "h": 270.2
  },
  "luminance": 0.10803
}

Semantic roles & 50–950 ramp

primary

#3A4FCB

secondary

#D0C790

accent

#CB46E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3A4FCB

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

Preview Lab → · Contrast checker → · Palette generator →