#2F398E#2F398E

#2F398E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.0% C 0.140 H 273.0°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2F398E
RGB	rgb(47, 57, 142)
HSL	hsl(234, 50%, 37%)
HSV	hsv(234, 67%, 56%)
CMYK	cmyk(66.9%, 59.9%, 0%, 44.3%)
CIE-LAB	lab(28.07, 24.66, -48.49)
CIE-LCH	lch(28.07, 54.40, 296.96°)
OKLab	oklab(38.96% 0.0073 -0.1396)
OKLCH	oklch(38.96% 0.14 273)
XYZ	xyz(7.5163, 5.4829, 26.2482)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F398E #8E842F

analogous

#2F698E #2F398E #542F8E

triadic

#2F398E #8E2F39 #398E2F

tetradic

#2F398E #8E2F69 #8E842F #2F8E54

square

#2F398E #8E2F69 #8E842F #2F8E54

split-complementary

#2F398E #8E542F #698E2F

monochromatic

#111432 #202760 #2F398E #3E4BBC #6A74CE

Accessibility & contrast

On white

10.02

#2F398E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F398E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F398E

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F398E	#FFFFFF	#000000	##FFFFFF
##2F398E	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f398e;
/* rgb */ color: rgb(47, 57, 142);
/* oklch */ color: oklch(39.0% 0.140 273.0);

Tailwind

colors: {
  custom: {
    50: '#736fb0',
    500: '#2f398e',
    950: '#000000',
  },
}

SCSS

$custom: #2f398e;
$custom-light: #736fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f398e",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 142
  },
  "hsl": {
    "h": 233.684,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3896,
    "c": 0.13978,
    "h": 273
  },
  "luminance": 0.05484
}

Semantic roles & 50–950 ramp

primary

#2F398E

secondary

#B5AC64

accent

#CB4EDA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F398E

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

Preview Lab → · Contrast checker → · Palette generator →