#2F388D#2F388D

#2F388D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.140 H 273.4°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#2F388D
RGB	rgb(47, 56, 141)
HSL	hsl(234, 50%, 37%)
HSV	hsv(234, 67%, 55%)
CMYK	cmyk(66.7%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(27.72, 24.97, -48.44)
CIE-LCH	lch(27.72, 54.49, 297.27°)
OKLab	oklab(38.68% 0.0082 -0.1394)
OKLCH	oklch(38.68% 0.14 273.4)
XYZ	xyz(7.3926, 5.3551, 25.8382)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F388D #8D842F

analogous

#2F678D #2F388D #552F8D

triadic

#2F388D #8D2F38 #388D2F

tetradic

#2F388D #8D2F67 #8D842F #2F8D55

square

#2F388D #8D2F67 #8D842F #2F8D55

split-complementary

#2F388D #8D552F #678D2F

monochromatic

#101431 #20265F #2F388D #3E4ABB #6973CD

Accessibility & contrast

On white

10.14

#2F388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F388D

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F388D	#FFFFFF	#000000	##FFFFFF
##2F388D	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f388d;
/* rgb */ color: rgb(47, 56, 141);
/* oklch */ color: oklch(38.7% 0.140 273.4);

Tailwind

colors: {
  custom: {
    50: '#736eaf',
    500: '#2f388d',
    950: '#000000',
  },
}

SCSS

$custom: #2f388d;
$custom-light: #736eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f388d",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 234.255,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38679,
    "c": 0.13968,
    "h": 273.4
  },
  "luminance": 0.05356
}

Semantic roles & 50–950 ramp

primary

#2F388D

secondary

#B4AC64

accent

#CC4EDA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F388D

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

Preview Lab → · Contrast checker → · Palette generator →