#3C40B6#3C40B6

#3C40B6 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.182 H 274.7°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#3C40B6
RGB	rgb(60, 64, 182)
HSL	hsl(238, 50%, 47%)
HSV	hsv(238, 67%, 71%)
CMYK	cmyk(67%, 64.8%, 0%, 28.6%)
CIE-LAB	lab(33.99, 36.31, -62.95)
CIE-LCH	lch(33.99, 72.67, 299.98°)
OKLab	oklab(44.58% 0.0149 -0.1816)
OKLCH	oklch(44.58% 0.182 274.7)
XYZ	xyz(12.1376, 8.0038, 45.1521)
Luminance	0.0800 (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

#3C40B6 #B6B23C

analogous

#3C7DB6 #3C40B6 #753CB6

triadic

#3C40B6 #B63C40 #40B63C

tetradic

#3C40B6 #B63C7D #B6B23C #3CB675

square

#3C40B6 #B63C7D #B6B23C #3CB675

split-complementary

#3C40B6 #B6753C #7DB63C

monochromatic

#1E205A #2D3088 #3C40B6 #6367CC #9194DB

Accessibility & contrast

On white

8.07

#3C40B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3C40B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C40B6

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C40B6	#FFFFFF	#000000	##FFFFFF
##3C40B6	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BA

Deuteranopia (green-blind)

#004AB4

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3c40b6;
/* rgb */ color: rgb(60, 64, 182);
/* oklch */ color: oklch(44.6% 0.182 274.7);

Tailwind

colors: {
  custom: {
    50: '#8175cd',
    500: '#3c40b6',
    950: '#000000',
  },
}

SCSS

$custom: #3c40b6;
$custom-light: #8175cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3c40b6",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 182
  },
  "hsl": {
    "h": 238.033,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4458,
    "c": 0.18225,
    "h": 274.7
  },
  "luminance": 0.08005
}

Semantic roles & 50–950 ramp

primary

#3C40B6

secondary

#C6C488

accent

#D54EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3C40B6

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

Preview Lab → · Contrast checker → · Palette generator →