#2F3DB2#2F3DB2

#2F3DB2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.184 H 270.9°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DB2
RGB	rgb(47, 61, 178)
HSL	hsl(234, 58%, 44%)
HSV	hsv(234, 74%, 70%)
CMYK	cmyk(73.6%, 65.7%, 0%, 30.2%)
CIE-LAB	lab(32.16, 35.16, -63.61)
CIE-LCH	lch(32.16, 72.68, 298.93°)
OKLab	oklab(42.93% 0.0029 -0.1839)
OKLCH	oklch(42.93% 0.184 270.9)
XYZ	xyz(10.8742, 7.1550, 42.9188)
Luminance	0.0716 (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

#2F3DB2 #B2A42F

analogous

#2F7FB2 #2F3DB2 #632FB2

triadic

#2F3DB2 #B22F3D #3DB22F

tetradic

#2F3DB2 #B22F7F #B2A42F #2FB263

square

#2F3DB2 #B22F7F #B2A42F #2FB263

split-complementary

#2F3DB2 #B2632F #7FB22F

monochromatic

#151C51 #222C82 #2F3DB2 #4E5CD0 #7E88DD

Accessibility & contrast

On white

8.64

#2F3DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2F3DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DB2

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DB2	#FFFFFF	#000000	##FFFFFF
##2F3DB2	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0046B0

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f3db2;
/* rgb */ color: rgb(47, 61, 178);
/* oklch */ color: oklch(42.9% 0.184 270.9);

Tailwind

colors: {
  custom: {
    50: '#7b72ca',
    500: '#2f3db2',
    950: '#000000',
  },
}

SCSS

$custom: #2f3db2;
$custom-light: #7b72ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3db2",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 178
  },
  "hsl": {
    "h": 233.588,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42928,
    "c": 0.18393,
    "h": 270.9
  },
  "luminance": 0.07156
}

Semantic roles & 50–950 ramp

primary

#2F3DB2

secondary

#C6BD77

accent

#D146E1

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3DB2

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

Preview Lab → · Contrast checker → · Palette generator →