#2B4BA0#2B4BA0

#2B4BA0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.143 H 265.3°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BA0
RGB	rgb(43, 75, 160)
HSL	hsl(224, 58%, 40%)
HSV	hsv(224, 73%, 63%)
CMYK	cmyk(73.1%, 53.1%, 0%, 37.3%)
CIE-LAB	lab(34.15, 18.71, -49.60)
CIE-LCH	lch(34.15, 53.01, 290.67°)
OKLab	oklab(43.91% -0.0116 -0.1427)
OKLCH	oklch(43.91% 0.143 265.3)
XYZ	xyz(9.8553, 8.0828, 34.2916)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BA0 #A0802B

analogous

#2B85A0 #2B4BA0 #462BA0

triadic

#2B4BA0 #A02B4B #4BA02B

tetradic

#2B4BA0 #A02B85 #A0802B #2BA046

square

#2B4BA0 #A02B85 #A0802B #2BA046

split-complementary

#2B4BA0 #A0462B #85A02B

monochromatic

#111E40 #1E3470 #2B4BA0 #3D64CB #6E8BD8

Accessibility & contrast

On white

8.03

#2B4BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2B4BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BA0

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BA0	#FFFFFF	#000000	##FFFFFF
##2B4BA0	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1156A3

Deuteranopia (green-blind)

#004B9E

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b4ba0;
/* rgb */ color: rgb(43, 75, 160);
/* oklch */ color: oklch(43.9% 0.143 265.3);

Tailwind

colors: {
  custom: {
    50: '#747cbd',
    500: '#2b4ba0',
    950: '#000000',
  },
}

SCSS

$custom: #2b4ba0;
$custom-light: #747cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4ba0",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 160
  },
  "hsl": {
    "h": 223.59,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43907,
    "c": 0.14315,
    "h": 265.3
  },
  "luminance": 0.08084
}

Semantic roles & 50–950 ramp

primary

#2B4BA0

secondary

#BFA768

accent

#B747E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4BA0

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

Preview Lab → · Contrast checker → · Palette generator →