#3C30B8#3C30B8

#3C30B8 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.3% C 0.202 H 277.2°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#3C30B8
RGB	rgb(60, 48, 184)
HSL	hsl(245, 59%, 45%)
HSV	hsv(245, 74%, 72%)
CMYK	cmyk(67.4%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(30.72, 46.41, -69.50)
CIE-LCH	lch(30.72, 83.57, 303.73°)
OKLab	oklab(42.29% 0.0255 -0.2008)
OKLCH	oklch(42.29% 0.202 277.2)
XYZ	xyz(11.5693, 6.5342, 45.9896)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C30B8 #ACB830

analogous

#3068B8 #3C30B8 #8030B8

triadic

#3C30B8 #B83C30 #30B83C

tetradic

#3C30B8 #B83068 #ACB830 #30B880

square

#3C30B8 #B83068 #ACB830 #30B880

split-complementary

#3C30B8 #B88030 #68B830

monochromatic

#1C1757 #2C2387 #3C30B8 #5E53D2 #8C84DF

Accessibility & contrast

On white

9.10

#3C30B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3C30B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C30B8

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C30B8	#FFFFFF	#000000	##FFFFFF
##3C30B8	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	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: #3c30b8;
/* rgb */ color: rgb(60, 48, 184);
/* oklch */ color: oklch(42.3% 0.202 277.2);

Tailwind

colors: {
  custom: {
    50: '#836bcf',
    500: '#3c30b8',
    950: '#000000',
  },
}

SCSS

$custom: #3c30b8;
$custom-light: #836bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c30b8",
  "rgb": {
    "r": 60,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 245.294,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42285,
    "c": 0.2024,
    "h": 277.2
  },
  "luminance": 0.06535
}

Semantic roles & 50–950 ramp

primary

#3C30B8

secondary

#C1C87C

accent

#E246D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3C30B8

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

Preview Lab → · Contrast checker → · Palette generator →