#2B4CB4#2B4CB4

#2B4CB4 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.170 H 266.3°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B4CB4
RGB	rgb(43, 76, 180)
HSL	hsl(226, 61%, 44%)
HSV	hsv(226, 76%, 71%)
CMYK	cmyk(76.1%, 57.8%, 0%, 29.4%)
CIE-LAB	lab(35.94, 25.67, -58.63)
CIE-LCH	lch(35.94, 64.00, 293.65°)
OKLab	oklab(45.73% -0.011 -0.1692)
OKLCH	oklch(45.73% 0.17 266.3)
XYZ	xyz(11.8160, 8.9765, 44.2811)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4CB4 #B4932B

analogous

#2B90B4 #2B4CB4 #4E2BB4

triadic

#2B4CB4 #B42B4C #4CB42B

tetradic

#2B4CB4 #B42B90 #B4932B #2BB44E

square

#2B4CB4 #B42B90 #B4932B #2BB44E

split-complementary

#2B4CB4 #B44E2B #90B42B

monochromatic

#132251 #1F3783 #2B4CB4 #496AD3 #7A92DF

Accessibility & contrast

On white

7.51

#2B4CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2B4CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4CB4

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4CB4	#FFFFFF	#000000	##FFFFFF
##2B4CB4	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b4cb4;
/* rgb */ color: rgb(43, 76, 180);
/* oklch */ color: oklch(45.7% 0.170 266.3);

Tailwind

colors: {
  custom: {
    50: '#797dcb',
    500: '#2b4cb4',
    950: '#000000',
  },
}

SCSS

$custom: #2b4cb4;
$custom-light: #797dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4cb4",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 180
  },
  "hsl": {
    "h": 225.547,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45729,
    "c": 0.16957,
    "h": 266.3
  },
  "luminance": 0.08978
}

Semantic roles & 50–950 ramp

primary

#2B4CB4

secondary

#C7B373

accent

#BE43E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4CB4

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

Preview Lab → · Contrast checker → · Palette generator →