#2F389C#2F389C

#2F389C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.161 H 272.8°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F389C
RGB	rgb(47, 56, 156)
HSL	hsl(235, 54%, 40%)
HSV	hsv(235, 70%, 61%)
CMYK	cmyk(69.9%, 64.1%, 0%, 38.8%)
CIE-LAB	lab(28.99, 30.44, -55.58)
CIE-LCH	lch(28.99, 63.37, 298.71°)
OKLab	oklab(40% 0.0077 -0.1604)
OKLCH	oklch(40% 0.161 272.8)
XYZ	xyz(8.5852, 5.8322, 32.1193)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F389C #9C932F

analogous

#2F6F9C #2F389C #5D2F9C

triadic

#2F389C #9C2F38 #389C2F

tetradic

#2F389C #9C2F6F #9C932F #2F9C5D

square

#2F389C #9C2F6F #9C932F #2F9C5D

split-complementary

#2F389C #9C5D2F #6F9C2F

monochromatic

#13163E #21276D #2F389C #424DC6 #7179D4

Accessibility & contrast

On white

9.69

#2F389C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2F389C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F389C

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F389C	#FFFFFF	#000000	##FFFFFF
##2F389C	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#003F9A

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f389c;
/* rgb */ color: rgb(47, 56, 156);
/* oklch */ color: oklch(40.0% 0.161 272.8);

Tailwind

colors: {
  custom: {
    50: '#766eba',
    500: '#2f389c',
    950: '#000000',
  },
}

SCSS

$custom: #2f389c;
$custom-light: #766eba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f389c",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 156
  },
  "hsl": {
    "h": 235.046,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40003,
    "c": 0.16059,
    "h": 272.8
  },
  "luminance": 0.05833
}

Semantic roles & 50–950 ramp

primary

#2F389C

secondary

#BCB56B

accent

#D14BDD

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F389C

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

Preview Lab → · Contrast checker → · Palette generator →