#2F3AB4#2F3AB4

#2F3AB4 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.6% C 0.190 H 271.4°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AB4
RGB	rgb(47, 58, 180)
HSL	hsl(235, 59%, 45%)
HSV	hsv(235, 74%, 71%)
CMYK	cmyk(73.9%, 67.8%, 0%, 29.4%)
CIE-LAB	lab(31.63, 37.75, -65.66)
CIE-LCH	lch(31.63, 75.74, 299.90°)
OKLab	oklab(42.6% 0.0045 -0.1899)
OKLCH	oklch(42.6% 0.19 271.4)
XYZ	xyz(10.9208, 6.9246, 43.9322)
Luminance	0.0693 (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

#2F3AB4 #B4A92F

analogous

#2F7CB4 #2F3AB4 #672FB4

triadic

#2F3AB4 #B42F3A #3AB42F

tetradic

#2F3AB4 #B42F7C #B4A92F #2FB467

square

#2F3AB4 #B42F7C #B4A92F #2FB467

split-complementary

#2F3AB4 #B4672F #7CB42F

monochromatic

#161B53 #222A83 #2F3AB4 #4F5AD1 #8087DE

Accessibility & contrast

On white

8.80

#2F3AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2F3AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AB4

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AB4	#FFFFFF	#000000	##FFFFFF
##2F3AB4	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B8

Deuteranopia (green-blind)

#0044B2

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3ab4;
/* rgb */ color: rgb(47, 58, 180);
/* oklch */ color: oklch(42.6% 0.190 271.4);

Tailwind

colors: {
  custom: {
    50: '#7c70cc',
    500: '#2f3ab4',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ab4;
$custom-light: #7c70cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ab4",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 180
  },
  "hsl": {
    "h": 235.038,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42603,
    "c": 0.18996,
    "h": 271.4
  },
  "luminance": 0.06926
}

Semantic roles & 50–950 ramp

primary

#2F3AB4

secondary

#C7C078

accent

#D546E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3AB4

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

Preview Lab → · Contrast checker → · Palette generator →