#2B4CB2#2B4CB2

#2B4CB2 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.167 H 266.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#2B4CB2
RGB	rgb(43, 76, 178)
HSL	hsl(225, 61%, 43%)
HSV	hsv(225, 76%, 70%)
CMYK	cmyk(75.8%, 57.3%, 0%, 30.2%)
CIE-LAB	lab(35.78, 24.91, -57.70)
CIE-LCH	lch(35.78, 62.85, 293.35°)
OKLab	oklab(45.56% -0.0111 -0.1665)
OKLCH	oklch(45.56% 0.167 266.2)
XYZ	xyz(11.6138, 8.8955, 43.2158)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4CB2 #B2912B

analogous

#2B8FB2 #2B4CB2 #4D2BB2

triadic

#2B4CB2 #B22B4C #4CB22B

tetradic

#2B4CB2 #B22B8F #B2912B #2BB24D

square

#2B4CB2 #B22B8F #B2912B #2BB24D

split-complementary

#2B4CB2 #B24D2B #8FB22B

monochromatic

#13224F #1F3781 #2B4CB2 #486AD3 #7992DF

Accessibility & contrast

On white

7.56

#2B4CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2B4CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4CB2

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4CB2	#FFFFFF	#000000	##FFFFFF
##2B4CB2	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB5

Deuteranopia (green-blind)

#004EB0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4cb2;
/* rgb */ color: rgb(43, 76, 178);
/* oklch */ color: oklch(45.6% 0.167 266.2);

Tailwind

colors: {
  custom: {
    50: '#787dca',
    500: '#2b4cb2',
    950: '#000000',
  },
}

SCSS

$custom: #2b4cb2;
$custom-light: #787dca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4cb2",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 178
  },
  "hsl": {
    "h": 225.333,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45562,
    "c": 0.16685,
    "h": 266.2
  },
  "luminance": 0.08897
}

Semantic roles & 50–950 ramp

primary

#2B4CB2

secondary

#C7B272

accent

#BD44E4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4CB2

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

Preview Lab → · Contrast checker → · Palette generator →