#2B4AA3#2B4AA3

#2B4AA3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.149 H 265.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B4AA3
RGB	rgb(43, 74, 163)
HSL	hsl(225, 58%, 40%)
HSV	hsv(225, 74%, 64%)
CMYK	cmyk(73.6%, 54.6%, 0%, 36.1%)
CIE-LAB	lab(34.10, 20.53, -51.50)
CIE-LCH	lch(34.10, 55.44, 291.74°)
OKLab	oklab(43.93% -0.0105 -0.1483)
OKLCH	oklch(43.93% 0.149 265.9)
XYZ	xyz(10.0536, 8.0544, 35.6680)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4AA3 #A3842B

analogous

#2B86A3 #2B4AA3 #482BA3

triadic

#2B4AA3 #A32B4A #4AA32B

tetradic

#2B4AA3 #A32B86 #A3842B #2BA348

square

#2B4AA3 #A32B86 #A3842B #2BA348

split-complementary

#2B4AA3 #A3482B #86A32B

monochromatic

#111E42 #1E3473 #2B4AA3 #3F63CC #6F8BD9

Accessibility & contrast

On white

8.04

#2B4AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#2B4AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4AA3

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4AA3	#FFFFFF	#000000	##FFFFFF
##2B4AA3	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0256A6

Deuteranopia (green-blind)

#004BA1

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b4aa3;
/* rgb */ color: rgb(43, 74, 163);
/* oklch */ color: oklch(43.9% 0.149 265.9);

Tailwind

colors: {
  custom: {
    50: '#757cbf',
    500: '#2b4aa3',
    950: '#000000',
  },
}

SCSS

$custom: #2b4aa3;
$custom-light: #757cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4aa3",
  "rgb": {
    "r": 43,
    "g": 74,
    "b": 163
  },
  "hsl": {
    "h": 224.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43933,
    "c": 0.14865,
    "h": 265.9
  },
  "luminance": 0.08055
}

Semantic roles & 50–950 ramp

primary

#2B4AA3

secondary

#C0AA6A

accent

#B946E1

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4AA3

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

Preview Lab → · Contrast checker → · Palette generator →