#2F399C#2F399C

#2F399C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.159 H 272.5°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F399C
RGB	rgb(47, 57, 156)
HSL	hsl(234, 54%, 40%)
HSV	hsv(234, 70%, 61%)
CMYK	cmyk(69.9%, 63.5%, 0%, 38.8%)
CIE-LAB	lab(29.24, 29.79, -55.17)
CIE-LCH	lch(29.24, 62.69, 298.37°)
OKLab	oklab(40.19% 0.007 -0.1592)
OKLCH	oklch(40.19% 0.159 272.5)
XYZ	xyz(8.6342, 5.9301, 32.1356)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F399C #9C922F

analogous

#2F709C #2F399C #5B2F9C

triadic

#2F399C #9C2F39 #399C2F

tetradic

#2F399C #9C2F70 #9C922F #2F9C5B

square

#2F399C #9C2F70 #9C922F #2F9C5B

split-complementary

#2F399C #9C5B2F #709C2F

monochromatic

#13173E #21286D #2F399C #424EC6 #717AD4

Accessibility & contrast

On white

9.61

#2F399C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F399C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F399C

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F399C	#FFFFFF	#000000	##FFFFFF
##2F399C	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f399c;
/* rgb */ color: rgb(47, 57, 156);
/* oklch */ color: oklch(40.2% 0.159 272.5);

Tailwind

colors: {
  custom: {
    50: '#766fba',
    500: '#2f399c',
    950: '#000000',
  },
}

SCSS

$custom: #2f399c;
$custom-light: #766fba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f399c",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 156
  },
  "hsl": {
    "h": 234.495,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40187,
    "c": 0.15934,
    "h": 272.5
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#2F399C

secondary

#BCB46B

accent

#D04BDD

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F399C

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

Preview Lab → · Contrast checker → · Palette generator →