#2B3597#2B3597

#2B3597 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.159 H 272.1°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2B3597
RGB	rgb(43, 53, 151)
HSL	hsl(234, 56%, 38%)
HSV	hsv(234, 72%, 59%)
CMYK	cmyk(71.5%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(27.55, 30.04, -54.87)
CIE-LCH	lch(27.55, 62.56, 298.70°)
OKLab	oklab(38.75% 0.0058 -0.1585)
OKLCH	oklch(38.75% 0.159 272.1)
XYZ	xyz(7.8534, 5.2934, 29.8800)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3597 #978D2B

analogous

#2B6B97 #2B3597 #572B97

triadic

#2B3597 #972B35 #35972B

tetradic

#2B3597 #972B6B #978D2B #2B9757

square

#2B3597 #972B6B #978D2B #2B9757

split-complementary

#2B3597 #97572B #6B972B

monochromatic

#101438 #1D2467 #2B3597 #3946C7 #6872D4

Accessibility & contrast

On white

10.20

#2B3597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B3597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3597

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3597	#FFFFFF	#000000	##FFFFFF
##2B3597	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003C95

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b3597;
/* rgb */ color: rgb(43, 53, 151);
/* oklch */ color: oklch(38.8% 0.159 272.1);

Tailwind

colors: {
  custom: {
    50: '#746cb6',
    500: '#2b3597',
    950: '#000000',
  },
}

SCSS

$custom: #2b3597;
$custom-light: #746cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3597",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 234.444,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38753,
    "c": 0.15857,
    "h": 272.1
  },
  "luminance": 0.05294
}

Semantic roles & 50–950 ramp

primary

#2B3597

secondary

#BBB263

accent

#D149DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3597

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

Preview Lab → · Contrast checker → · Palette generator →