#2A4FA0#2A4FA0

#2A4FA0 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.138 H 263.4°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A4FA0
RGB	rgb(42, 79, 160)
HSL	hsl(221, 58%, 40%)
HSV	hsv(221, 74%, 63%)
CMYK	cmyk(73.8%, 50.6%, 0%, 37.3%)
CIE-LAB	lab(35.24, 15.90, -47.84)
CIE-LCH	lch(35.24, 50.41, 288.38°)
OKLab	oklab(44.72% -0.0159 -0.1374)
OKLCH	oklch(44.72% 0.138 263.4)
XYZ	xyz(10.0937, 8.6212, 34.3830)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4FA0 #A07B2A

analogous

#2A8AA0 #2A4FA0 #402AA0

triadic

#2A4FA0 #A02A4F #4FA02A

tetradic

#2A4FA0 #A02A8A #A07B2A #2AA040

square

#2A4FA0 #A02A8A #A07B2A #2AA040

split-complementary

#2A4FA0 #A0402A #8AA02A

monochromatic

#111F3F #1D3770 #2A4FA0 #3C69CC #6C8ED8

Accessibility & contrast

On white

7.71

#2A4FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2A4FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4FA0

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4FA0	#FFFFFF	#000000	##FFFFFF
##2A4FA0	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F59A3

Deuteranopia (green-blind)

#004E9E

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2a4fa0;
/* rgb */ color: rgb(42, 79, 160);
/* oklch */ color: oklch(44.7% 0.138 263.4);

Tailwind

colors: {
  custom: {
    50: '#747fbd',
    500: '#2a4fa0',
    950: '#000000',
  },
}

SCSS

$custom: #2a4fa0;
$custom-light: #747fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4fa0",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 160
  },
  "hsl": {
    "h": 221.186,
    "s": 58.416,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44724,
    "c": 0.13837,
    "h": 263.4
  },
  "luminance": 0.08622
}

Semantic roles & 50–950 ramp

primary

#2A4FA0

secondary

#BFA367

accent

#B146E2

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A4FA0

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

Preview Lab → · Contrast checker → · Palette generator →