#3A50BB#3A50BB

#3A50BB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.8% C 0.170 H 270.0°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A50BB
RGB	rgb(58, 80, 187)
HSL	hsl(230, 53%, 48%)
HSV	hsv(230, 69%, 73%)
CMYK	cmyk(69%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(38.24, 27.60, -58.97)
CIE-LCH	lch(38.24, 65.11, 295.08°)
OKLab	oklab(47.82% -0.0001 -0.1699)
OKLCH	oklch(47.82% 0.17 270)
XYZ	xyz(13.5802, 10.2234, 48.2617)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A50BB #BBA53A

analogous

#3A91BB #3A50BB #643ABB

triadic

#3A50BB #BB3A50 #50BB3A

tetradic

#3A50BB #BB3A91 #BBA53A #3ABB64

square

#3A50BB #BB3A91 #BBA53A #3ABB64

split-complementary

#3A50BB #BB643A #91BB3A

monochromatic

#1D285E #2C3C8C #3A50BB #6376CF #929FDD

Accessibility & contrast

On white

6.90

#3A50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3A50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A50BB

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A50BB	#FFFFFF	#000000	##FFFFFF
##3A50BB	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3a50bb;
/* rgb */ color: rgb(58, 80, 187);
/* oklch */ color: oklch(47.8% 0.170 270.0);

Tailwind

colors: {
  custom: {
    50: '#8080d0',
    500: '#3a50bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a50bb;
$custom-light: #8080d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a50bb",
  "rgb": {
    "r": 58,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 229.767,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47816,
    "c": 0.16986,
    "h": 270
  },
  "luminance": 0.10225
}

Semantic roles & 50–950 ramp

primary

#3A50BB

secondary

#C8BD88

accent

#C34CDC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3A50BB

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

Preview Lab → · Contrast checker → · Palette generator →