#2F3AB5#2F3AB5

#2F3AB5 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.191 H 271.3°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AB5
RGB	rgb(47, 58, 181)
HSL	hsl(235, 59%, 45%)
HSV	hsv(235, 74%, 71%)
CMYK	cmyk(74%, 68%, 0%, 29%)
CIE-LAB	lab(31.73, 38.11, -66.10)
CIE-LCH	lch(31.73, 76.30, 299.96°)
OKLab	oklab(42.7% 0.0044 -0.1912)
OKLCH	oklch(42.7% 0.191 271.3)
XYZ	xyz(11.0230, 6.9655, 44.4706)
Luminance	0.0697 (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

#2F3AB5 #B5AA2F

analogous

#2F7DB5 #2F3AB5 #672FB5

triadic

#2F3AB5 #B52F3A #3AB52F

tetradic

#2F3AB5 #B52F7D #B5AA2F #2FB567

square

#2F3AB5 #B52F7D #B5AA2F #2FB567

split-complementary

#2F3AB5 #B5672F #7DB52F

monochromatic

#161B54 #222A84 #2F3AB5 #505AD1 #8088DE

Accessibility & contrast

On white

8.77

#2F3AB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2F3AB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AB5

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AB5	#FFFFFF	#000000	##FFFFFF
##2F3AB5	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B9

Deuteranopia (green-blind)

#0044B3

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f3ab5;
/* rgb */ color: rgb(47, 58, 181);
/* oklch */ color: oklch(42.7% 0.191 271.3);

Tailwind

colors: {
  custom: {
    50: '#7c70cc',
    500: '#2f3ab5',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ab5;
$custom-light: #7c70cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ab5",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 181
  },
  "hsl": {
    "h": 235.075,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42699,
    "c": 0.19124,
    "h": 271.3
  },
  "luminance": 0.06967
}

Semantic roles & 50–950 ramp

primary

#2F3AB5

secondary

#C7C179

accent

#D546E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F3AB5

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

Preview Lab → · Contrast checker → · Palette generator →