#2A3F97#2A3F97

#2A3F97 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.146 H 268.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F97
RGB	rgb(42, 63, 151)
HSL	hsl(228, 56%, 38%)
HSV	hsv(228, 72%, 59%)
CMYK	cmyk(72.2%, 58.3%, 0%, 40.8%)
CIE-LAB	lab(30.11, 23.22, -50.71)
CIE-LCH	lch(30.11, 55.77, 294.61°)
OKLab	oklab(40.63% -0.0031 -0.1461)
OKLCH	oklch(40.63% 0.146 268.8)
XYZ	xyz(8.3163, 6.2808, 30.0462)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F97 #97822A

analogous

#2A7697 #2A3F97 #4B2A97

triadic

#2A3F97 #972A3F #3F972A

tetradic

#2A3F97 #972A76 #97822A #2A974B

square

#2A3F97 #972A76 #97822A #2A974B

split-complementary

#2A3F97 #974B2A #76972A

monochromatic

#0F1737 #1D2B67 #2A3F97 #3753C7 #677CD5

Accessibility & contrast

On white

9.31

#2A3F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A3F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F97

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F97	#FFFFFF	#000000	##FFFFFF
##2A3F97	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a3f97;
/* rgb */ color: rgb(42, 63, 151);
/* oklch */ color: oklch(40.6% 0.146 268.8);

Tailwind

colors: {
  custom: {
    50: '#7373b6',
    500: '#2a3f97',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f97;
$custom-light: #7373b6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f97",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 151
  },
  "hsl": {
    "h": 228.44,
    "s": 56.477,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40631,
    "c": 0.14618,
    "h": 268.8
  },
  "luminance": 0.06282
}

Semantic roles & 50–950 ramp

primary

#2A3F97

secondary

#BBAA62

accent

#C348E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2A3F97

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

Preview Lab → · Contrast checker → · Palette generator →