#2A4591#2A4591

#2A4591 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.4% C 0.130 H 266.1°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#2A4591
RGB	rgb(42, 69, 145)
HSL	hsl(224, 55%, 37%)
HSV	hsv(224, 71%, 57%)
CMYK	cmyk(71%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(31.33, 16.86, -45.07)
CIE-LCH	lch(31.33, 48.12, 290.51°)
OKLab	oklab(41.41% -0.0088 -0.1295)
OKLCH	oklch(41.41% 0.13 266.1)
XYZ	xyz(8.1920, 6.7920, 27.6618)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4591 #91762A

analogous

#2A7991 #2A4591 #432A91

triadic

#2A4591 #912A45 #45912A

tetradic

#2A4591 #912A79 #91762A #2A9143

square

#2A4591 #912A79 #91762A #2A9143

split-complementary

#2A4591 #91432A #79912A

monochromatic

#0F1832 #1C2E62 #2A4591 #385CC0 #6380D2

Accessibility & contrast

On white

8.90

#2A4591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2A4591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4591

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4591	#FFFFFF	#000000	##FFFFFF
##2A4591	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164F94

Deuteranopia (green-blind)

#00458F

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a4591;
/* rgb */ color: rgb(42, 69, 145);
/* oklch */ color: oklch(41.4% 0.130 266.1);

Tailwind

colors: {
  custom: {
    50: '#7178b2',
    500: '#2a4591',
    950: '#000000',
  },
}

SCSS

$custom: #2a4591;
$custom-light: #7178b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4591",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 224.272,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41406,
    "c": 0.12976,
    "h": 266.1
  },
  "luminance": 0.06793
}

Semantic roles & 50–950 ramp

primary

#2A4591

secondary

#B8A15F

accent

#B749DE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2A4591

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

Preview Lab → · Contrast checker → · Palette generator →