#2B397D#2B397D

#2B397D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.116 H 271.0°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B397D
RGB	rgb(43, 57, 125)
HSL	hsl(230, 49%, 33%)
HSV	hsv(230, 66%, 49%)
CMYK	cmyk(65.6%, 54.4%, 0%, 51%)
CIE-LAB	lab(26.51, 17.62, -40.45)
CIE-LCH	lch(26.51, 44.12, 293.54°)
OKLab	oklab(37.31% 0.002 -0.116)
OKLCH	oklch(37.31% 0.116 271)
XYZ	xyz(6.1598, 4.9200, 20.0231)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B397D #7D6F2B

analogous

#2B627D #2B397D #462B7D

triadic

#2B397D #7D2B39 #397D2B

tetradic

#2B397D #7D2B62 #7D6F2B #2B7D46

square

#2B397D #7D2B62 #7D6F2B #2B7D46

split-complementary

#2B397D #7D462B #627D2B

monochromatic

#0C0F22 #1B244F #2B397D #3B4EAB #5C6EC7

Accessibility & contrast

On white

10.58

#2B397D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2B397D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B397D

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B397D	#FFFFFF	#000000	##FFFFFF
##2B397D	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F427F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b397d;
/* rgb */ color: rgb(43, 57, 125);
/* oklch */ color: oklch(37.3% 0.116 271.0);

Tailwind

colors: {
  custom: {
    50: '#6e6fa3',
    500: '#2b397d',
    950: '#000000',
  },
}

SCSS

$custom: #2b397d;
$custom-light: #6e6fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b397d",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 125
  },
  "hsl": {
    "h": 229.756,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37309,
    "c": 0.11605,
    "h": 271
  },
  "luminance": 0.04921
}

Semantic roles & 50–950 ramp

primary

#2B397D

secondary

#AD9E57

accent

#C14FD8

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B397D

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

Preview Lab → · Contrast checker → · Palette generator →