#2B4879#2B4879

#2B4879 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.4% C 0.090 H 260.3°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B4879
RGB	rgb(43, 72, 121)
HSL	hsl(218, 48%, 32%)
HSV	hsv(218, 64%, 47%)
CMYK	cmyk(64.5%, 40.5%, 0%, 52.5%)
CIE-LAB	lab(30.71, 5.87, -31.21)
CIE-LCH	lch(30.71, 31.76, 280.65°)
OKLab	oklab(40.44% -0.0152 -0.0887)
OKLCH	oklch(40.44% 0.09 260.3)
XYZ	xyz(6.7636, 6.5282, 18.9891)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4879 #795C2B

analogous

#2B6F79 #2B4879 #352B79

triadic

#2B4879 #792B48 #48792B

tetradic

#2B4879 #792B6F #795C2B #2B7935

square

#2B4879 #792B6F #795C2B #2B7935

split-complementary

#2B4879 #79352B #6F792B

monochromatic

#0B121F #1B2D4C #2B4879 #3B63A6 #5A82C4

Accessibility & contrast

On white

9.11

#2B4879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2B4879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4879

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4879	#FFFFFF	#000000	##FFFFFF
##2B4879	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334C7B

Deuteranopia (green-blind)

#284578

Tritanopia (blue-blind)

#00535A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b4879;
/* rgb */ color: rgb(43, 72, 121);
/* oklch */ color: oklch(40.4% 0.090 260.3);

Tailwind

colors: {
  custom: {
    50: '#6c7aa0',
    500: '#2b4879',
    950: '#000000',
  },
}

SCSS

$custom: #2b4879;
$custom-light: #6c7aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4879",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 121
  },
  "hsl": {
    "h": 217.692,
    "s": 47.561,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4044,
    "c": 0.08997,
    "h": 260.3
  },
  "luminance": 0.06529
}

Semantic roles & 50–950 ramp

primary

#2B4879

secondary

#AA8B56

accent

#A551D7

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4879

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

Preview Lab → · Contrast checker → · Palette generator →