#2A4B9D#2A4B9D

#2A4B9D is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.6% C 0.139 H 264.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#2A4B9D
RGB	rgb(42, 75, 157)
HSL	hsl(223, 58%, 39%)
HSV	hsv(223, 73%, 62%)
CMYK	cmyk(73.2%, 52.2%, 0%, 38.4%)
CIE-LAB	lab(33.89, 17.42, -48.21)
CIE-LCH	lch(33.89, 51.27, 289.87°)
OKLab	oklab(43.63% -0.0128 -0.1386)
OKLCH	oklch(43.63% 0.139 264.7)
XYZ	xyz(9.5546, 7.9577, 32.9242)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4B9D #9D7C2A

analogous

#2A859D #2A4B9D #432A9D

triadic

#2A4B9D #9D2A4B #4B9D2A

tetradic

#2A4B9D #9D2A85 #9D7C2A #2A9D43

square

#2A4B9D #9D2A85 #9D7C2A #2A9D43

split-complementary

#2A4B9D #9D432A #859D2A

monochromatic

#101D3C #1D346D #2A4B9D #3A63CA #6A89D7

Accessibility & contrast

On white

8.10

#2A4B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2A4B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4B9D

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4B9D	#FFFFFF	#000000	##FFFFFF
##2A4B9D	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1755A0

Deuteranopia (green-blind)

#004B9B

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2a4b9d;
/* rgb */ color: rgb(42, 75, 157);
/* oklch */ color: oklch(43.6% 0.139 264.7);

Tailwind

colors: {
  custom: {
    50: '#737cba',
    500: '#2a4b9d',
    950: '#000000',
  },
}

SCSS

$custom: #2a4b9d;
$custom-light: #737cba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4b9d",
  "rgb": {
    "r": 42,
    "g": 75,
    "b": 157
  },
  "hsl": {
    "h": 222.783,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43629,
    "c": 0.13921,
    "h": 264.7
  },
  "luminance": 0.07959
}

Semantic roles & 50–950 ramp

primary

#2A4B9D

secondary

#BEA465

accent

#B547E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2A4B9D

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

Preview Lab → · Contrast checker → · Palette generator →