#302F9D#302F9D

#302F9D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.172 H 275.1°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#302F9D
RGB	rgb(48, 47, 157)
HSL	hsl(241, 54%, 40%)
HSV	hsv(241, 70%, 62%)
CMYK	cmyk(69.4%, 70.1%, 0%, 38.4%)
CIE-LAB	lab(27.00, 36.64, -59.43)
CIE-LCH	lch(27.00, 69.82, 301.65°)
OKLab	oklab(38.61% 0.0153 -0.1717)
OKLCH	oklch(38.61% 0.172 275.1)
XYZ	xyz(8.3192, 5.0950, 32.4368)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302F9D #9C9D2F

analogous

#2F659D #302F9D #672F9D

triadic

#302F9D #9D302F #2F9D30

tetradic

#302F9D #9D2F65 #9C9D2F #2F9D67

square

#302F9D #9D2F65 #9C9D2F #2F9D67

split-complementary

#302F9D #9D672F #659D2F

monochromatic

#13133F #22216E #302F9D #4443C7 #7372D5

Accessibility & contrast

On white

10.40

#302F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#302F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302F9D

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302F9D	#FFFFFF	#000000	##FFFFFF
##302F9D	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003B9B

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #302f9d;
/* rgb */ color: rgb(48, 47, 157);
/* oklch */ color: oklch(38.6% 0.172 275.1);

Tailwind

colors: {
  custom: {
    50: '#7868bb',
    500: '#302f9d',
    950: '#000000',
  },
}

SCSS

$custom: #302f9d;
$custom-light: #7868bb;
$custom-dark: #000000;

JSON

{
  "hex": "#302f9d",
  "rgb": {
    "r": 48,
    "g": 47,
    "b": 157
  },
  "hsl": {
    "h": 240.545,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.38607,
    "c": 0.17237,
    "h": 275.1
  },
  "luminance": 0.05096
}

Semantic roles & 50–950 ramp

primary

#302F9D

secondary

#BCBC6B

accent

#DD4BDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #302F9D

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

Preview Lab → · Contrast checker → · Palette generator →