#2B3A9E#2B3A9E

#2B3A9E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.162 H 270.6°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A9E
RGB	rgb(43, 58, 158)
HSL	hsl(232, 57%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(72.8%, 63.3%, 0%, 38%)
CIE-LAB	lab(29.43, 29.33, -56.07)
CIE-LCH	lch(29.43, 63.28, 297.61°)
OKLab	oklab(40.32% 0.0018 -0.1619)
OKLCH	oklch(40.32% 0.162 270.6)
XYZ	xyz(8.6788, 6.0074, 33.0433)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A9E #9E8F2B

analogous

#2B749E #2B3A9E #562B9E

triadic

#2B3A9E #9E2B3A #3A9E2B

tetradic

#2B3A9E #9E2B74 #9E8F2B #2B9E56

square

#2B3A9E #9E2B74 #9E8F2B #2B9E56

split-complementary

#2B3A9E #9E562B #749E2B

monochromatic

#11173E #1E286E #2B3A9E #3C4FCA #6C7AD7

Accessibility & contrast

On white

9.54

#2B3A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B3A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A9E

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A9E	#FFFFFF	#000000	##FFFFFF
##2B3A9E	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b3a9e;
/* rgb */ color: rgb(43, 58, 158);
/* oklch */ color: oklch(40.3% 0.162 270.6);

Tailwind

colors: {
  custom: {
    50: '#7570bc',
    500: '#2b3a9e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a9e;
$custom-light: #7570bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a9e",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 158
  },
  "hsl": {
    "h": 232.174,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40323,
    "c": 0.16194,
    "h": 270.6
  },
  "luminance": 0.06008
}

Semantic roles & 50–950 ramp

primary

#2B3A9E

secondary

#BEB367

accent

#CC47E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3A9E

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

Preview Lab → · Contrast checker → · Palette generator →