#302F8F#302F8F

#302F8F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.154 H 276.4°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#302F8F
RGB	rgb(48, 47, 143)
HSL	hsl(241, 51%, 37%)
HSV	hsv(241, 67%, 56%)
CMYK	cmyk(66.4%, 67.1%, 0%, 43.9%)
CIE-LAB	lab(25.70, 31.76, -52.98)
CIE-LCH	lch(25.70, 61.77, 300.94°)
OKLab	oklab(37.26% 0.0171 -0.1528)
OKLCH	oklch(37.26% 0.154 276.4)
XYZ	xyz(7.1917, 4.6440, 26.4987)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302F8F #8E8F2F

analogous

#2F5E8F #302F8F #602F8F

triadic

#302F8F #8F302F #2F8F30

tetradic

#302F8F #8F2F5E #8E8F2F #2F8F60

square

#302F8F #8F2F5E #8E8F2F #2F8F60

split-complementary

#302F8F #8F602F #5E8F2F

monochromatic

#111133 #212061 #302F8F #3F3EBD #6B6ACE

Accessibility & contrast

On white

10.89

#302F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#302F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302F8F

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302F8F	#FFFFFF	#000000	##FFFFFF
##302F8F	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #302f8f;
/* rgb */ color: rgb(48, 47, 143);
/* oklch */ color: oklch(37.3% 0.154 276.4);

Tailwind

colors: {
  custom: {
    50: '#7568b1',
    500: '#302f8f',
    950: '#000000',
  },
}

SCSS

$custom: #302f8f;
$custom-light: #7568b1;
$custom-dark: #000000;

JSON

{
  "hex": "#302f8f",
  "rgb": {
    "r": 48,
    "g": 47,
    "b": 143
  },
  "hsl": {
    "h": 240.625,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3726,
    "c": 0.15376,
    "h": 276.4
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#302F8F

secondary

#B4B565

accent

#DA4ED9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #302F8F

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

Preview Lab → · Contrast checker → · Palette generator →