#2B3AA3#2B3AA3

#2B3AA3 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.169 H 270.5°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B3AA3
RGB	rgb(43, 58, 163)
HSL	hsl(233, 58%, 40%)
HSV	hsv(233, 74%, 64%)
CMYK	cmyk(73.6%, 64.4%, 0%, 36.1%)
CIE-LAB	lab(29.87, 31.17, -58.38)
CIE-LCH	lch(29.87, 66.18, 298.10°)
OKLab	oklab(40.78% 0.0016 -0.1687)
OKLCH	oklch(40.78% 0.169 270.5)
XYZ	xyz(9.1179, 6.1831, 35.3562)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3AA3 #A3942B

analogous

#2B76A3 #2B3AA3 #582BA3

triadic

#2B3AA3 #A32B3A #3AA32B

tetradic

#2B3AA3 #A32B76 #A3942B #2BA358

square

#2B3AA3 #A32B76 #A3942B #2BA358

split-complementary

#2B3AA3 #A3582B #76A32B

monochromatic

#111842 #1E2973 #2B3AA3 #3F51CC #6F7DD9

Accessibility & contrast

On white

9.39

#2B3AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2B3AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3AA3

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3AA3	#FFFFFF	#000000	##FFFFFF
##2B3AA3	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA6

Deuteranopia (green-blind)

#0041A1

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3aa3;
/* rgb */ color: rgb(43, 58, 163);
/* oklch */ color: oklch(40.8% 0.169 270.5);

Tailwind

colors: {
  custom: {
    50: '#7670bf',
    500: '#2b3aa3',
    950: '#000000',
  },
}

SCSS

$custom: #2b3aa3;
$custom-light: #7670bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3aa3",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 163
  },
  "hsl": {
    "h": 232.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40781,
    "c": 0.16871,
    "h": 270.5
  },
  "luminance": 0.06184
}

Semantic roles & 50–950 ramp

primary

#2B3AA3

secondary

#C0B56A

accent

#CE46E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B3AA3

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

Preview Lab → · Contrast checker → · Palette generator →