#3B30B8#3B30B8

#3B30B8 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.203 H 276.8°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#3B30B8
RGB	rgb(59, 48, 184)
HSL	hsl(245, 59%, 45%)
HSV	hsv(245, 74%, 72%)
CMYK	cmyk(67.9%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(30.65, 46.30, -69.63)
CIE-LCH	lch(30.65, 83.61, 303.62°)
OKLab	oklab(42.21% 0.0241 -0.2012)
OKLCH	oklch(42.21% 0.203 276.8)
XYZ	xyz(11.5095, 6.5034, 45.9868)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.43

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B30B8 #ADB830

analogous

#3069B8 #3B30B8 #7F30B8

triadic

#3B30B8 #B83B30 #30B83B

tetradic

#3B30B8 #B83069 #ADB830 #30B87F

square

#3B30B8 #B83069 #ADB830 #30B87F

split-complementary

#3B30B8 #B87F30 #69B830

monochromatic

#1C1757 #2B2387 #3B30B8 #5D53D2 #8B84DF

Accessibility & contrast

On white

9.13

#3B30B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3B30B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B30B8

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B30B8	#FFFFFF	#000000	##FFFFFF
##3B30B8	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3b30b8;
/* rgb */ color: rgb(59, 48, 184);
/* oklch */ color: oklch(42.2% 0.203 276.8);

Tailwind

colors: {
  custom: {
    50: '#826bcf',
    500: '#3b30b8',
    950: '#000000',
  },
}

SCSS

$custom: #3b30b8;
$custom-light: #826bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b30b8",
  "rgb": {
    "r": 59,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 244.853,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42213,
    "c": 0.20262,
    "h": 276.8
  },
  "luminance": 0.06504
}

Semantic roles & 50–950 ramp

primary

#3B30B8

secondary

#C2C87C

accent

#E246D5

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3B30B8

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

Preview Lab → · Contrast checker → · Palette generator →