#3C307B#3C307B

#3C307B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.122 H 286.0°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#3C307B
RGB	rgb(60, 48, 123)
HSL	hsl(250, 44%, 34%)
HSV	hsv(250, 61%, 48%)
CMYK	cmyk(51.2%, 61%, 0%, 51.8%)
CIE-LAB	lab(25.27, 26.51, -41.11)
CIE-LCH	lch(25.27, 48.92, 302.81°)
OKLab	oklab(36.68% 0.0337 -0.1176)
OKLCH	oklch(36.68% 0.122 286)
XYZ	xyz(6.4945, 4.5043, 19.2623)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C307B #6F7B30

analogous

#30497B #3C307B #61307B

triadic

#3C307B #7B3C30 #307B3C

tetradic

#3C307B #7B3049 #6F7B30 #307B61

square

#3C307B #7B3049 #6F7B30 #307B61

split-complementary

#3C307B #7B6130 #497B30

monochromatic

#110E23 #271F4F #3C307B #5141A7 #7263C2

Accessibility & contrast

On white

11.05

#3C307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3C307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C307B

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C307B	#FFFFFF	#000000	##FFFFFF
##3C307B	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#264150

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3c307b;
/* rgb */ color: rgb(60, 48, 123);
/* oklch */ color: oklch(36.7% 0.122 286.0);

Tailwind

colors: {
  custom: {
    50: '#7769a2',
    500: '#3c307b',
    950: '#000000',
  },
}

SCSS

$custom: #3c307b;
$custom-light: #7769a2;
$custom-dark: #000000;

JSON

{
  "hex": "#3c307b",
  "rgb": {
    "r": 60,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 249.6,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36682,
    "c": 0.12232,
    "h": 286
  },
  "luminance": 0.04505
}

Semantic roles & 50–950 ramp

primary

#3C307B

secondary

#9DA95D

accent

#D454BF

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3C307B

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

Preview Lab → · Contrast checker → · Palette generator →