#3C31B7#3C31B7

#3C31B7 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.3% C 0.200 H 277.2°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3C31B7
RGB	rgb(60, 49, 183)
HSL	hsl(245, 58%, 45%)
HSV	hsv(245, 73%, 72%)
CMYK	cmyk(67.2%, 73.2%, 0%, 28.2%)
CIE-LAB	lab(30.82, 45.54, -68.75)
CIE-LCH	lch(30.82, 82.46, 303.52°)
OKLab	oklab(42.32% 0.0251 -0.1986)
OKLCH	oklch(42.32% 0.2 277.2)
XYZ	xyz(11.5063, 6.5752, 45.4533)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.32

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C31B7 #ACB731

analogous

#3169B7 #3C31B7 #7F31B7

triadic

#3C31B7 #B73C31 #31B73C

tetradic

#3C31B7 #B73169 #ACB731 #31B77F

square

#3C31B7 #B73169 #ACB731 #31B77F

split-complementary

#3C31B7 #B77F31 #69B731

monochromatic

#1C1756 #2C2487 #3C31B7 #5E54D1 #8C84DE

Accessibility & contrast

On white

9.07

#3C31B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3C31B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C31B7

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C31B7	#FFFFFF	#000000	##FFFFFF
##3C31B7	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBB

Deuteranopia (green-blind)

#0043B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3c31b7;
/* rgb */ color: rgb(60, 49, 183);
/* oklch */ color: oklch(42.3% 0.200 277.2);

Tailwind

colors: {
  custom: {
    50: '#826bce',
    500: '#3c31b7',
    950: '#000000',
  },
}

SCSS

$custom: #3c31b7;
$custom-light: #826bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3c31b7",
  "rgb": {
    "r": 60,
    "g": 49,
    "b": 183
  },
  "hsl": {
    "h": 244.925,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42324,
    "c": 0.20017,
    "h": 277.2
  },
  "luminance": 0.06576
}

Semantic roles & 50–950 ramp

primary

#3C31B7

secondary

#C1C87C

accent

#E147D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3C31B7

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

Preview Lab → · Contrast checker → · Palette generator →