#2B4CA3#2B4CA3

#2B4CA3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.4% C 0.146 H 265.2°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B4CA3
RGB	rgb(43, 76, 163)
HSL	hsl(224, 58%, 40%)
HSV	hsv(224, 74%, 64%)
CMYK	cmyk(73.6%, 53.4%, 0%, 36.1%)
CIE-LAB	lab(34.65, 19.19, -50.60)
CIE-LCH	lch(34.65, 54.12, 290.77°)
OKLab	oklab(44.35% -0.0122 -0.1456)
OKLCH	oklch(44.35% 0.146 265.2)
XYZ	xyz(10.1892, 8.3257, 35.7133)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4CA3 #A3822B

analogous

#2B88A3 #2B4CA3 #462BA3

triadic

#2B4CA3 #A32B4C #4CA32B

tetradic

#2B4CA3 #A32B88 #A3822B #2BA346

square

#2B4CA3 #A32B88 #A3822B #2BA346

split-complementary

#2B4CA3 #A3462B #88A32B

monochromatic

#111F42 #1E3573 #2B4CA3 #3F66CC #6F8CD9

Accessibility & contrast

On white

7.88

#2B4CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2B4CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4CA3

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4CA3	#FFFFFF	#000000	##FFFFFF
##2B4CA3	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F57A6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b4ca3;
/* rgb */ color: rgb(43, 76, 163);
/* oklch */ color: oklch(44.4% 0.146 265.2);

Tailwind

colors: {
  custom: {
    50: '#757dbf',
    500: '#2b4ca3',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ca3;
$custom-light: #757dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ca3",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 163
  },
  "hsl": {
    "h": 223.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44353,
    "c": 0.1461,
    "h": 265.2
  },
  "luminance": 0.08327
}

Semantic roles & 50–950 ramp

primary

#2B4CA3

secondary

#C0A86A

accent

#B746E1

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4CA3

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

Preview Lab → · Contrast checker → · Palette generator →