#2F3BA6#2F3BA6

#2F3BA6 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.170 H 271.7°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BA6
RGB	rgb(47, 59, 166)
HSL	hsl(234, 56%, 42%)
HSV	hsv(234, 72%, 65%)
CMYK	cmyk(71.7%, 64.5%, 0%, 34.9%)
CIE-LAB	lab(30.60, 32.11, -58.98)
CIE-LCH	lch(30.60, 67.16, 298.57°)
OKLab	oklab(41.46% 0.005 -0.1704)
OKLCH	oklch(41.46% 0.17 271.7)
XYZ	xyz(9.6169, 6.4845, 36.8138)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BA6 #A69A2F

analogous

#2F77A6 #2F3BA6 #5F2FA6

triadic

#2F3BA6 #A62F3B #3BA62F

tetradic

#2F3BA6 #A62F77 #A69A2F #2FA65F

square

#2F3BA6 #A62F77 #A69A2F #2FA65F

split-complementary

#2F3BA6 #A65F2F #77A62F

monochromatic

#141947 #212A76 #2F3BA6 #4755CB #7781D8

Accessibility & contrast

On white

9.14

#2F3BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F3BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BA6

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BA6	#FFFFFF	#000000	##FFFFFF
##2F3BA6	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA9

Deuteranopia (green-blind)

#0043A4

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3ba6;
/* rgb */ color: rgb(47, 59, 166);
/* oklch */ color: oklch(41.5% 0.170 271.7);

Tailwind

colors: {
  custom: {
    50: '#7871c1',
    500: '#2f3ba6',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ba6;
$custom-light: #7871c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ba6",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 166
  },
  "hsl": {
    "h": 233.95,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41461,
    "c": 0.17043,
    "h": 271.7
  },
  "luminance": 0.06485
}

Semantic roles & 50–950 ramp

primary

#2F3BA6

secondary

#C1B870

accent

#D049DF

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3BA6

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

Preview Lab → · Contrast checker → · Palette generator →