#2B3AA8#2B3AA8

#2B3AA8 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.175 H 270.4°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B3AA8
RGB	rgb(43, 58, 168)
HSL	hsl(233, 59%, 41%)
HSV	hsv(233, 74%, 66%)
CMYK	cmyk(74.4%, 65.5%, 0%, 34.1%)
CIE-LAB	lab(30.32, 33.00, -60.66)
CIE-LCH	lch(30.32, 69.06, 298.55°)
OKLab	oklab(41.25% 0.0013 -0.1754)
OKLCH	oklch(41.25% 0.175 270.4)
XYZ	xyz(9.5748, 6.3659, 37.7623)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3AA8 #A8992B

analogous

#2B79A8 #2B3AA8 #5B2BA8

triadic

#2B3AA8 #A82B3A #3AA82B

tetradic

#2B3AA8 #A82B79 #A8992B #2BA85B

square

#2B3AA8 #A82B79 #A8992B #2BA85B

split-complementary

#2B3AA8 #A85B2B #79A82B

monochromatic

#121847 #1F2977 #2B3AA8 #4253CF #727FDB

Accessibility & contrast

On white

9.24

#2B3AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B3AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3AA8

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3AA8	#FFFFFF	#000000	##FFFFFF
##2B3AA8	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3aa8;
/* rgb */ color: rgb(43, 58, 168);
/* oklch */ color: oklch(41.2% 0.175 270.4);

Tailwind

colors: {
  custom: {
    50: '#7770c3',
    500: '#2b3aa8',
    950: '#000000',
  },
}

SCSS

$custom: #2b3aa8;
$custom-light: #7770c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3aa8",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 168
  },
  "hsl": {
    "h": 232.8,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41247,
    "c": 0.17538,
    "h": 270.4
  },
  "luminance": 0.06367
}

Semantic roles & 50–950 ramp

primary

#2B3AA8

secondary

#C2B86C

accent

#D045E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B3AA8

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

Preview Lab → · Contrast checker → · Palette generator →