#2F30B2#2F30B2

#2F30B2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.198 H 273.0°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F30B2
RGB	rgb(47, 48, 178)
HSL	hsl(240, 58%, 44%)
HSV	hsv(240, 74%, 70%)
CMYK	cmyk(73.6%, 73%, 0%, 30.2%)
CIE-LAB	lab(29.24, 43.09, -68.41)
CIE-LCH	lch(29.24, 80.85, 302.21°)
OKLab	oklab(40.82% 0.0103 -0.1979)
OKLCH	oklch(40.82% 0.198 273)
XYZ	xyz(10.2624, 5.9315, 42.7149)
Luminance	0.0593 (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

#2F30B2 #B2B12F

analogous

#2F72B2 #2F30B2 #702FB2

triadic

#2F30B2 #B22F30 #30B22F

tetradic

#2F30B2 #B22F72 #B2B12F #2FB270

square

#2F30B2 #B22F72 #B2B12F #2FB270

split-complementary

#2F30B2 #B2702F #72B22F

monochromatic

#151651 #222382 #2F30B2 #4E4FD0 #7E7FDD

Accessibility & contrast

On white

9.60

#2F30B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F30B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30B2

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30B2	#FFFFFF	#000000	##FFFFFF
##2F30B2	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB6

Deuteranopia (green-blind)

#003FB0

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f30b2;
/* rgb */ color: rgb(47, 48, 178);
/* oklch */ color: oklch(40.8% 0.198 273.0);

Tailwind

colors: {
  custom: {
    50: '#7c6aca',
    500: '#2f30b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f30b2;
$custom-light: #7c6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30b2",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 178
  },
  "hsl": {
    "h": 239.542,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4082,
    "c": 0.1982,
    "h": 273
  },
  "luminance": 0.05933
}

Semantic roles & 50–950 ramp

primary

#2F30B2

secondary

#C6C577

accent

#E046E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F30B2

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

Preview Lab → · Contrast checker → · Palette generator →