#2F3B9F#2F3B9F

#2F3B9F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.161 H 271.9°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2F3B9F
RGB	rgb(47, 59, 159)
HSL	hsl(234, 54%, 40%)
HSV	hsv(234, 70%, 62%)
CMYK	cmyk(70.4%, 62.9%, 0%, 37.6%)
CIE-LAB	lab(30.00, 29.57, -55.74)
CIE-LCH	lch(30.00, 63.10, 297.94°)
OKLab	oklab(40.83% 0.0053 -0.1609)
OKLCH	oklch(40.83% 0.161 271.9)
XYZ	xyz(8.9922, 6.2346, 33.5237)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3B9F #9F932F

analogous

#2F739F #2F3B9F #5B2F9F

triadic

#2F3B9F #9F2F3B #3B9F2F

tetradic

#2F3B9F #9F2F73 #9F932F #2F9F5B

square

#2F3B9F #9F2F73 #9F932F #2F9F5B

split-complementary

#2F3B9F #9F5B2F #739F2F

monochromatic

#131841 #212970 #2F3B9F #4452C8 #737DD6

Accessibility & contrast

On white

9.35

#2F3B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2F3B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3B9F

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3B9F	#FFFFFF	#000000	##FFFFFF
##2F3B9F	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f3b9f;
/* rgb */ color: rgb(47, 59, 159);
/* oklch */ color: oklch(40.8% 0.161 271.9);

Tailwind

colors: {
  custom: {
    50: '#7771bc',
    500: '#2f3b9f',
    950: '#000000',
  },
}

SCSS

$custom: #2f3b9f;
$custom-light: #7771bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3b9f",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 159
  },
  "hsl": {
    "h": 233.571,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40828,
    "c": 0.16096,
    "h": 271.9
  },
  "luminance": 0.06235
}

Semantic roles & 50–950 ramp

primary

#2F3B9F

secondary

#BDB56D

accent

#CE4ADE

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3B9F

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

Preview Lab → · Contrast checker → · Palette generator →