#2B4FA5#2B4FA5

#2B4FA5 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.145 H 264.3°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FA5
RGB	rgb(43, 79, 165)
HSL	hsl(222, 59%, 41%)
HSV	hsv(222, 74%, 65%)
CMYK	cmyk(73.9%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(35.64, 17.96, -50.20)
CIE-LCH	lch(35.64, 53.32, 289.68°)
OKLab	oklab(45.15% -0.0145 -0.1444)
OKLCH	oklch(45.15% 0.145 264.3)
XYZ	xyz(10.5814, 8.8210, 36.7350)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FA5 #A5812B

analogous

#2B8CA5 #2B4FA5 #442BA5

triadic

#2B4FA5 #A52B4F #4FA52B

tetradic

#2B4FA5 #A52B8C #A5812B #2BA544

square

#2B4FA5 #A52B8C #A5812B #2BA544

split-complementary

#2B4FA5 #A5442B #8CA52B

monochromatic

#122144 #1E3874 #2B4FA5 #406ACD #7190DA

Accessibility & contrast

On white

7.60

#2B4FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2B4FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FA5

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FA5	#FFFFFF	#000000	##FFFFFF
##2B4FA5	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185AA8

Deuteranopia (green-blind)

#004FA3

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4fa5;
/* rgb */ color: rgb(43, 79, 165);
/* oklch */ color: oklch(45.1% 0.145 264.3);

Tailwind

colors: {
  custom: {
    50: '#757fc0',
    500: '#2b4fa5',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fa5;
$custom-light: #757fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fa5",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 222.295,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.45147,
    "c": 0.14511,
    "h": 264.3
  },
  "luminance": 0.08822
}

Semantic roles & 50–950 ramp

primary

#2B4FA5

secondary

#C1A86B

accent

#B446E2

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2B4FA5

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

Preview Lab → · Contrast checker → · Palette generator →