#301FAD#301FAD

#301FAD is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.1% C 0.207 H 275.6°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#301FAD
RGB	rgb(48, 31, 173)
HSL	hsl(247, 70%, 40%)
HSV	hsv(247, 82%, 68%)
CMYK	cmyk(72.3%, 82.1%, 0%, 32.2%)
CIE-LAB	lab(25.64, 50.51, -71.37)
CIE-LCH	lch(25.64, 87.44, 305.29°)
OKLab	oklab(38.15% 0.0201 -0.2063)
OKLCH	oklch(38.15% 0.207 275.6)
XYZ	xyz(9.2493, 4.6246, 39.9323)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301FAD #9CAD1F

analogous

#1F55AD #301FAD #771FAD

triadic

#301FAD #AD301F #1FAD30

tetradic

#301FAD #AD1F55 #9CAD1F #1FAD77

square

#301FAD #AD1F55 #9CAD1F #1FAD77

split-complementary

#301FAD #AD771F #55AD1F

monochromatic

#130C45 #221679 #301FAD #442FDA #7363E3

Accessibility & contrast

On white

10.91

#301FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#301FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301FAD

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301FAD	#FFFFFF	#000000	##FFFFFF
##301FAD	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B1

Deuteranopia (green-blind)

#0036AB

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #301fad;
/* rgb */ color: rgb(48, 31, 173);
/* oklch */ color: oklch(38.1% 0.207 275.6);

Tailwind

colors: {
  custom: {
    50: '#7d60c7',
    500: '#301fad',
    950: '#000000',
  },
}

SCSS

$custom: #301fad;
$custom-light: #7d60c7;
$custom-dark: #000000;

JSON

{
  "hex": "#301fad",
  "rgb": {
    "r": 48,
    "g": 31,
    "b": 173
  },
  "hsl": {
    "h": 247.183,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.38146,
    "c": 0.2073,
    "h": 275.6
  },
  "luminance": 0.04625
}

Semantic roles & 50–950 ramp

primary

#301FAD

secondary

#BCC860

accent

#EC3BD7

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #301FAD

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

Preview Lab → · Contrast checker → · Palette generator →