#3B45CB#3B45CB

#3B45CB is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.3% C 0.204 H 272.4°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#3B45CB
RGB	rgb(59, 69, 203)
HSL	hsl(236, 58%, 51%)
HSV	hsv(236, 71%, 80%)
CMYK	cmyk(70.9%, 66%, 0%, 20.4%)
CIE-LAB	lab(36.92, 40.32, -70.46)
CIE-LCH	lch(36.92, 81.18, 299.78°)
OKLab	oklab(47.27% 0.0085 -0.2036)
OKLCH	oklch(47.27% 0.204 272.4)
XYZ	xyz(14.7076, 9.4964, 57.5462)
Luminance	0.0950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B45CB #CBC13B

analogous

#3B8DCB #3B45CB #793BCB

triadic

#3B45CB #CB3B45 #45CB3B

tetradic

#3B45CB #CB3B8D #CBC13B #3BCB79

square

#3B45CB #CB3B8D #CBC13B #3BCB79

split-complementary

#3B45CB #CB793B #8DCB3B

monochromatic

#1D236E #2A329F #3B45CB #6B73D8 #9CA1E5

Accessibility & contrast

On white

7.24

#3B45CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3B45CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B45CB

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B45CB	#FFFFFF	#000000	##FFFFFF
##3B45CB	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECF

Deuteranopia (green-blind)

#0050C8

Tritanopia (blue-blind)

#006982

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3b45cb;
/* rgb */ color: rgb(59, 69, 203);
/* oklch */ color: oklch(47.3% 0.204 272.4);

Tailwind

colors: {
  custom: {
    50: '#8579dc',
    500: '#3b45cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b45cb;
$custom-light: #8579dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b45cb",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 235.833,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.47266,
    "c": 0.2038,
    "h": 272.4
  },
  "luminance": 0.09498
}

Semantic roles & 50–950 ramp

primary

#3B45CB

secondary

#D1CC91

accent

#D747E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #3B45CB

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

Preview Lab → · Contrast checker → · Palette generator →