#2B4CB0#2B4CB0

#2B4CB0 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.164 H 266.1°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B4CB0
RGB	rgb(43, 76, 176)
HSL	hsl(225, 61%, 43%)
HSV	hsv(225, 76%, 69%)
CMYK	cmyk(75.6%, 56.8%, 0%, 31%)
CIE-LAB	lab(35.63, 24.15, -56.77)
CIE-LCH	lch(35.63, 61.69, 293.05°)
OKLab	oklab(45.4% -0.0112 -0.1637)
OKLCH	oklch(45.4% 0.164 266.1)
XYZ	xyz(11.4144, 8.8158, 42.1659)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4CB0 #B08F2B

analogous

#2B8EB0 #2B4CB0 #4C2BB0

triadic

#2B4CB0 #B02B4C #4CB02B

tetradic

#2B4CB0 #B02B8E #B08F2B #2BB04C

square

#2B4CB0 #B02B8E #B08F2B #2BB04C

split-complementary

#2B4CB0 #B04C2B #8EB02B

monochromatic

#13224E #1F377F #2B4CB0 #4669D2 #7891DE

Accessibility & contrast

On white

7.60

#2B4CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2B4CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4CB0

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4CB0	#FFFFFF	#000000	##FFFFFF
##2B4CB0	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)

#005AB3

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4cb0;
/* rgb */ color: rgb(43, 76, 176);
/* oklch */ color: oklch(45.4% 0.164 266.1);

Tailwind

colors: {
  custom: {
    50: '#787dc8',
    500: '#2b4cb0',
    950: '#000000',
  },
}

SCSS

$custom: #2b4cb0;
$custom-light: #787dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4cb0",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 176
  },
  "hsl": {
    "h": 225.113,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45397,
    "c": 0.16412,
    "h": 266.1
  },
  "luminance": 0.08817
}

Semantic roles & 50–950 ramp

primary

#2B4CB0

secondary

#C6B171

accent

#BC44E4

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4CB0

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

Preview Lab → · Contrast checker → · Palette generator →