#3C307E#3C307E

#3C307E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.127 H 285.4°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#3C307E
RGB	rgb(60, 48, 126)
HSL	hsl(249, 45%, 34%)
HSV	hsv(249, 62%, 49%)
CMYK	cmyk(52.4%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(25.50, 27.49, -42.63)
CIE-LCH	lch(25.50, 50.73, 302.82°)
OKLab	oklab(36.93% 0.0336 -0.122)
OKLCH	oklch(36.93% 0.127 285.4)
XYZ	xyz(6.6852, 4.5806, 20.2665)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C307E #727E30

analogous

#304B7E #3C307E #63307E

triadic

#3C307E #7E3C30 #307E3C

tetradic

#3C307E #7E304B #727E30 #307E63

square

#3C307E #7E304B #727E30 #307E63

split-complementary

#3C307E #7E6330 #4B7E30

monochromatic

#120E25 #271F52 #3C307E #5141AA #7364C4

Accessibility & contrast

On white

10.96

#3C307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3C307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C307E

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C307E	#FFFFFF	#000000	##FFFFFF
##3C307E	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#234252

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3c307e;
/* rgb */ color: rgb(60, 48, 126);
/* oklch */ color: oklch(36.9% 0.127 285.4);

Tailwind

colors: {
  custom: {
    50: '#7869a4',
    500: '#3c307e',
    950: '#000000',
  },
}

SCSS

$custom: #3c307e;
$custom-light: #7869a4;
$custom-dark: #000000;

JSON

{
  "hex": "#3c307e",
  "rgb": {
    "r": 60,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 249.231,
    "s": 44.828,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36925,
    "c": 0.12659,
    "h": 285.4
  },
  "luminance": 0.04581
}

Semantic roles & 50–950 ramp

primary

#3C307E

secondary

#9FAB5F

accent

#D553C1

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3C307E

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

Preview Lab → · Contrast checker → · Palette generator →