#2F30AD#2F30AD

#2F30AD is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.192 H 273.3°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F30AD
RGB	rgb(47, 48, 173)
HSL	hsl(240, 57%, 43%)
HSV	hsv(240, 73%, 68%)
CMYK	cmyk(72.8%, 72.3%, 0%, 32.2%)
CIE-LAB	lab(28.73, 41.40, -66.26)
CIE-LCH	lch(28.73, 78.13, 302.00°)
OKLab	oklab(40.31% 0.0111 -0.1916)
OKLCH	oklch(40.31% 0.192 273.3)
XYZ	xyz(9.7695, 5.7344, 40.1190)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F30AD #ADAC2F

analogous

#2F6FAD #2F30AD #6D2FAD

triadic

#2F30AD #AD2F30 #30AD2F

tetradic

#2F30AD #AD2F6F #ADAC2F #2FAD6D

square

#2F30AD #AD2F6F #ADAC2F #2FAD6D

split-complementary

#2F30AD #AD6D2F #6FAD2F

monochromatic

#15154D #22237D #2F30AD #4B4CCE #7B7CDB

Accessibility & contrast

On white

9.78

#2F30AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2F30AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30AD

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30AD	#FFFFFF	#000000	##FFFFFF
##2F30AD	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB1

Deuteranopia (green-blind)

#003EAB

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f30ad;
/* rgb */ color: rgb(47, 48, 173);
/* oklch */ color: oklch(40.3% 0.192 273.3);

Tailwind

colors: {
  custom: {
    50: '#7b69c7',
    500: '#2f30ad',
    950: '#000000',
  },
}

SCSS

$custom: #2f30ad;
$custom-light: #7b69c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30ad",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 173
  },
  "hsl": {
    "h": 239.524,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40306,
    "c": 0.19197,
    "h": 273.3
  },
  "luminance": 0.05735
}

Semantic roles & 50–950 ramp

primary

#2F30AD

secondary

#C4C374

accent

#DF47E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F30AD

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

Preview Lab → · Contrast checker → · Palette generator →