#2F397D#2F397D

#2F397D is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.6% C 0.115 H 273.3°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F397D
RGB	rgb(47, 57, 125)
HSL	hsl(232, 45%, 34%)
HSV	hsv(232, 62%, 49%)
CMYK	cmyk(62.4%, 54.4%, 0%, 51%)
CIE-LAB	lab(26.77, 18.40, -40.02)
CIE-LCH	lch(26.77, 44.04, 294.69°)
OKLab	oklab(37.57% 0.0066 -0.1146)
OKLCH	oklch(37.57% 0.115 273.3)
XYZ	xyz(6.3359, 5.0108, 20.0314)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F397D #7D732F

analogous

#2F607D #2F397D #4C2F7D

triadic

#2F397D #7D2F39 #397D2F

tetradic

#2F397D #7D2F60 #7D732F #2F7D4C

square

#2F397D #7D2F60 #7D732F #2F7D4C

split-complementary

#2F397D #7D4C2F #607D2F

monochromatic

#0E1024 #1E2551 #2F397D #404DA9 #626FC4

Accessibility & contrast

On white

10.49

#2F397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F397D

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F397D	#FFFFFF	#000000	##FFFFFF
##2F397D	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10437F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f397d;
/* rgb */ color: rgb(47, 57, 125);
/* oklch */ color: oklch(37.6% 0.115 273.3);

Tailwind

colors: {
  custom: {
    50: '#706fa3',
    500: '#2f397d',
    950: '#000000',
  },
}

SCSS

$custom: #2f397d;
$custom-light: #706fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f397d",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 232.308,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37573,
    "c": 0.11484,
    "h": 273.3
  },
  "luminance": 0.05011
}

Semantic roles & 50–950 ramp

primary

#2F397D

secondary

#ABA15D

accent

#C453D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F397D

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

Preview Lab → · Contrast checker → · Palette generator →