#2F399E#2F399E

#2F399E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.162 H 272.4°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F399E
RGB	rgb(47, 57, 158)
HSL	hsl(235, 54%, 40%)
HSV	hsv(235, 70%, 62%)
CMYK	cmyk(70.3%, 63.9%, 0%, 38%)
CIE-LAB	lab(29.41, 30.51, -56.10)
CIE-LCH	lch(29.41, 63.86, 298.54°)
OKLab	oklab(40.37% 0.0069 -0.1619)
OKLCH	oklch(40.37% 0.162 272.4)
XYZ	xyz(8.8049, 5.9984, 33.0349)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F399E #9E942F

analogous

#2F709E #2F399E #5D2F9E

triadic

#2F399E #9E2F39 #399E2F

tetradic

#2F399E #9E2F70 #9E942F #2F9E5D

square

#2F399E #9E2F70 #9E942F #2F9E5D

split-complementary

#2F399E #9E5D2F #709E2F

monochromatic

#131740 #21286F #2F399E #434FC7 #727BD5

Accessibility & contrast

On white

9.55

#2F399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2F399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F399E

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F399E	#FFFFFF	#000000	##FFFFFF
##2F399E	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f399e;
/* rgb */ color: rgb(47, 57, 158);
/* oklch */ color: oklch(40.4% 0.162 272.4);

Tailwind

colors: {
  custom: {
    50: '#776fbc',
    500: '#2f399e',
    950: '#000000',
  },
}

SCSS

$custom: #2f399e;
$custom-light: #776fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f399e",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 234.595,
    "s": 54.146,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40368,
    "c": 0.16208,
    "h": 272.4
  },
  "luminance": 0.05999
}

Semantic roles & 50–950 ramp

primary

#2F399E

secondary

#BDB66C

accent

#D04ADE

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F399E

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

Preview Lab → · Contrast checker → · Palette generator →