#2A4E9B#2A4E9B

#2A4E9B is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.1% C 0.133 H 263.2°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#2A4E9B
RGB	rgb(42, 78, 155)
HSL	hsl(221, 57%, 39%)
HSV	hsv(221, 73%, 61%)
CMYK	cmyk(72.9%, 49.7%, 0%, 39.2%)
CIE-LAB	lab(34.61, 14.64, -45.85)
CIE-LCH	lch(34.61, 48.13, 287.71°)
OKLab	oklab(44.13% -0.0157 -0.1316)
OKLCH	oklch(44.13% 0.133 263.2)
XYZ	xyz(9.5935, 8.3066, 32.1017)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4E9B #9B772A

analogous

#2A869B #2A4E9B #3E2A9B

triadic

#2A4E9B #9B2A4E #4E9B2A

tetradic

#2A4E9B #9B2A86 #9B772A #2A9B3E

square

#2A4E9B #9B2A86 #9B772A #2A9B3E

split-complementary

#2A4E9B #9B3E2A #869B2A

monochromatic

#101E3B #1D366B #2A4E9B #3967C9 #698CD6

Accessibility & contrast

On white

7.89

#2A4E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2A4E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4E9B

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4E9B	#FFFFFF	#000000	##FFFFFF
##2A4E9B	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23579E

Deuteranopia (green-blind)

#004D99

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2a4e9b;
/* rgb */ color: rgb(42, 78, 155);
/* oklch */ color: oklch(44.1% 0.133 263.2);

Tailwind

colors: {
  custom: {
    50: '#737fb9',
    500: '#2a4e9b',
    950: '#000000',
  },
}

SCSS

$custom: #2a4e9b;
$custom-light: #737fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4e9b",
  "rgb": {
    "r": 42,
    "g": 78,
    "b": 155
  },
  "hsl": {
    "h": 220.885,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44132,
    "c": 0.13253,
    "h": 263.2
  },
  "luminance": 0.08308
}

Semantic roles & 50–950 ramp

primary

#2A4E9B

secondary

#BDA164

accent

#B047E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2A4E9B

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

Preview Lab → · Contrast checker → · Palette generator →