#2F30B7#2F30B7

#2F30B7 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.3% C 0.204 H 272.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F30B7
RGB	rgb(47, 48, 183)
HSL	hsl(240, 59%, 45%)
HSV	hsv(240, 74%, 72%)
CMYK	cmyk(74.3%, 73.8%, 0%, 28.2%)
CIE-LAB	lab(29.75, 44.77, -70.54)
CIE-LCH	lch(29.75, 83.55, 302.40°)
OKLab	oklab(41.34% 0.0095 -0.2041)
OKLCH	oklch(41.34% 0.204 272.7)
XYZ	xyz(10.7736, 6.1360, 45.4071)
Luminance	0.0614 (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

#2F30B7 #B7B62F

analogous

#2F74B7 #2F30B7 #722FB7

triadic

#2F30B7 #B72F30 #30B72F

tetradic

#2F30B7 #B72F74 #B7B62F #2FB772

square

#2F30B7 #B72F74 #B7B62F #2FB772

split-complementary

#2F30B7 #B7722F #74B72F

monochromatic

#161656 #222386 #2F30B7 #5152D2 #8282DF

Accessibility & contrast

On white

9.43

#2F30B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F30B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30B7

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30B7	#FFFFFF	#000000	##FFFFFF
##2F30B7	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#003FB5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f30b7;
/* rgb */ color: rgb(47, 48, 183);
/* oklch */ color: oklch(41.3% 0.204 272.7);

Tailwind

colors: {
  custom: {
    50: '#7d6ace',
    500: '#2f30b7',
    950: '#000000',
  },
}

SCSS

$custom: #2f30b7;
$custom-light: #7d6ace;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30b7",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 183
  },
  "hsl": {
    "h": 239.559,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41339,
    "c": 0.20434,
    "h": 272.7
  },
  "luminance": 0.06137
}

Semantic roles & 50–950 ramp

primary

#2F30B7

secondary

#C8C77A

accent

#E145E2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2F30B7

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

Preview Lab → · Contrast checker → · Palette generator →