#2B3A9D#2B3A9D

#2B3A9D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.161 H 270.6°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A9D
RGB	rgb(43, 58, 157)
HSL	hsl(232, 57%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(72.6%, 63.1%, 0%, 38.4%)
CIE-LAB	lab(29.34, 28.96, -55.61)
CIE-LCH	lch(29.34, 62.69, 297.51°)
OKLab	oklab(40.23% 0.0018 -0.1606)
OKLCH	oklch(40.23% 0.161 270.6)
XYZ	xyz(8.5930, 5.9732, 32.5918)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A9D #9D8E2B

analogous

#2B739D #2B3A9D #552B9D

triadic

#2B3A9D #9D2B3A #3A9D2B

tetradic

#2B3A9D #9D2B73 #9D8E2B #2B9D55

square

#2B3A9D #9D2B73 #9D8E2B #2B9D55

split-complementary

#2B3A9D #9D552B #739D2B

monochromatic

#11173D #1E286D #2B3A9D #3C4ECA #6C7AD7

Accessibility & contrast

On white

9.57

#2B3A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2B3A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A9D

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A9D	#FFFFFF	#000000	##FFFFFF
##2B3A9D	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b3a9d;
/* rgb */ color: rgb(43, 58, 157);
/* oklch */ color: oklch(40.2% 0.161 270.6);

Tailwind

colors: {
  custom: {
    50: '#7570bb',
    500: '#2b3a9d',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a9d;
$custom-light: #7570bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a9d",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 157
  },
  "hsl": {
    "h": 232.105,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40232,
    "c": 0.16058,
    "h": 270.6
  },
  "luminance": 0.05974
}

Semantic roles & 50–950 ramp

primary

#2B3A9D

secondary

#BDB266

accent

#CC48E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2B3A9D

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

Preview Lab → · Contrast checker → · Palette generator →