#2F3AB7#2F3AB7

#2F3AB7 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.194 H 271.3°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AB7
RGB	rgb(47, 58, 183)
HSL	hsl(235, 59%, 45%)
HSV	hsv(235, 74%, 72%)
CMYK	cmyk(74.3%, 68.3%, 0%, 28.2%)
CIE-LAB	lab(31.92, 38.81, -66.98)
CIE-LCH	lch(31.92, 77.41, 300.09°)
OKLab	oklab(42.89% 0.0042 -0.1937)
OKLCH	oklch(42.89% 0.194 271.3)
XYZ	xyz(11.2297, 7.0482, 45.5592)
Luminance	0.0705 (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

#2F3AB7 #B7AC2F

analogous

#2F7EB7 #2F3AB7 #682FB7

triadic

#2F3AB7 #B72F3A #3AB72F

tetradic

#2F3AB7 #B72F7E #B7AC2F #2FB768

square

#2F3AB7 #B72F7E #B7AC2F #2FB768

split-complementary

#2F3AB7 #B7682F #7EB72F

monochromatic

#161B56 #222B86 #2F3AB7 #515BD2 #8289DF

Accessibility & contrast

On white

8.71

#2F3AB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2F3AB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AB7

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AB7	#FFFFFF	#000000	##FFFFFF
##2F3AB7	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BB

Deuteranopia (green-blind)

#0045B5

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f3ab7;
/* rgb */ color: rgb(47, 58, 183);
/* oklch */ color: oklch(42.9% 0.194 271.3);

Tailwind

colors: {
  custom: {
    50: '#7c70ce',
    500: '#2f3ab7',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ab7;
$custom-light: #7c70ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ab7",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 183
  },
  "hsl": {
    "h": 235.147,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42893,
    "c": 0.1938,
    "h": 271.3
  },
  "luminance": 0.07049
}

Semantic roles & 50–950 ramp

primary

#2F3AB7

secondary

#C8C27A

accent

#D645E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F3AB7

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

Preview Lab → · Contrast checker → · Palette generator →