#301F97#301F97

#301F97 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.181 H 278.3°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#301F97
RGB	rgb(48, 31, 151)
HSL	hsl(249, 66%, 36%)
HSV	hsv(249, 79%, 59%)
CMYK	cmyk(68.2%, 79.5%, 0%, 40.8%)
CIE-LAB	lab(23.14, 43.75, -62.12)
CIE-LCH	lch(23.14, 75.98, 305.16°)
OKLab	oklab(35.68% 0.0263 -0.1794)
OKLCH	oklch(35.68% 0.181 278.3)
XYZ	xyz(7.2930, 3.8421, 29.6294)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301F97 #86971F

analogous

#1F4A97 #301F97 #6C1F97

triadic

#301F97 #97301F #1F9730

tetradic

#301F97 #971F4A #86971F #1F976C

square

#301F97 #971F4A #86971F #1F976C

split-complementary

#301F97 #976C1F #4A971F

monochromatic

#100A31 #201564 #301F97 #4029CA #6854DC

Accessibility & contrast

On white

11.87

#301F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#301F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301F97

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301F97	#FFFFFF	#000000	##FFFFFF
##301F97	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9A

Deuteranopia (green-blind)

#003295

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #301f97;
/* rgb */ color: rgb(48, 31, 151);
/* oklch */ color: oklch(35.7% 0.181 278.3);

Tailwind

colors: {
  custom: {
    50: '#785eb7',
    500: '#301f97',
    950: '#000000',
  },
}

SCSS

$custom: #301f97;
$custom-light: #785eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#301f97",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 151
  },
  "hsl": {
    "h": 248.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35682,
    "c": 0.18135,
    "h": 278.3
  },
  "luminance": 0.03843
}

Semantic roles & 50–950 ramp

primary

#301F97

secondary

#B0BF52

accent

#E93FD1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #301F97

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

Preview Lab → · Contrast checker → · Palette generator →