#2B397A#2B397A

#2B397A is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.112 H 270.9°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B397A
RGB	rgb(43, 57, 122)
HSL	hsl(229, 48%, 32%)
HSV	hsv(229, 65%, 48%)
CMYK	cmyk(64.8%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(26.29, 16.49, -38.91)
CIE-LCH	lch(26.29, 42.26, 292.97°)
OKLab	oklab(37.07% 0.0017 -0.1115)
OKLCH	oklch(37.07% 0.112 270.9)
XYZ	xyz(5.9711, 4.8445, 19.0290)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B397A #7A6C2B

analogous

#2B617A #2B397A #442B7A

triadic

#2B397A #7A2B39 #397A2B

tetradic

#2B397A #7A2B61 #7A6C2B #2B7A44

square

#2B397A #7A2B61 #7A6C2B #2B7A44

split-complementary

#2B397A #7A442B #617A2B

monochromatic

#0B0F1F #1B244D #2B397A #3B4EA7 #5A6DC5

Accessibility & contrast

On white

10.67

#2B397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B397A

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B397A	#FFFFFF	#000000	##FFFFFF
##2B397A	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14427C

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b397a;
/* rgb */ color: rgb(43, 57, 122);
/* oklch */ color: oklch(37.1% 0.112 270.9);

Tailwind

colors: {
  custom: {
    50: '#6d6fa1',
    500: '#2b397a',
    950: '#000000',
  },
}

SCSS

$custom: #2b397a;
$custom-light: #6d6fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b397a",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 229.367,
    "s": 47.879,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37074,
    "c": 0.11151,
    "h": 270.9
  },
  "luminance": 0.04845
}

Semantic roles & 50–950 ramp

primary

#2B397A

secondary

#AB9C56

accent

#C050D7

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2B397A

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

Preview Lab → · Contrast checker → · Palette generator →