#301DA0#301DA0

#301DA0 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.4% C 0.194 H 277.3°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#301DA0
RGB	rgb(48, 29, 160)
HSL	hsl(249, 69%, 37%)
HSV	hsv(249, 82%, 63%)
CMYK	cmyk(70%, 81.9%, 0%, 37.3%)
CIE-LAB	lab(23.82, 47.51, -66.51)
CIE-LCH	lch(23.82, 81.74, 305.54°)
OKLab	oklab(36.45% 0.0247 -0.1922)
OKLCH	oklch(36.45% 0.194 277.3)
XYZ	xyz(8.0014, 4.0445, 33.6099)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301DA0 #8DA01D

analogous

#1D4CA0 #301DA0 #711DA0

triadic

#301DA0 #A0301D #1DA030

tetradic

#301DA0 #A01D4C #8DA01D #1DA071

square

#301DA0 #A01D4C #8DA01D #1DA071

split-complementary

#301DA0 #A0711D #4CA01D

monochromatic

#110A38 #20146C #301DA0 #4026D4 #6B57E1

Accessibility & contrast

On white

11.61

#301DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#301DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301DA0

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301DA0	#FFFFFF	#000000	##FFFFFF
##301DA0	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA4

Deuteranopia (green-blind)

#00339E

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #301da0;
/* rgb */ color: rgb(48, 29, 160);
/* oklch */ color: oklch(36.4% 0.194 277.3);

Tailwind

colors: {
  custom: {
    50: '#7a5ebd',
    500: '#301da0',
    950: '#000000',
  },
}

SCSS

$custom: #301da0;
$custom-light: #7a5ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#301da0",
  "rgb": {
    "r": 48,
    "g": 29,
    "b": 160
  },
  "hsl": {
    "h": 248.702,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36449,
    "c": 0.19377,
    "h": 277.3
  },
  "luminance": 0.04045
}

Semantic roles & 50–950 ramp

primary

#301DA0

secondary

#B4C455

accent

#EC3CD3

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301DA0

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

Preview Lab → · Contrast checker → · Palette generator →