#2A3F9E#2A3F9E

#2A3F9E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.156 H 268.9°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F9E
RGB	rgb(42, 63, 158)
HSL	hsl(229, 58%, 39%)
HSV	hsv(229, 73%, 62%)
CMYK	cmyk(73.4%, 60.1%, 0%, 38%)
CIE-LAB	lab(30.68, 25.87, -54.04)
CIE-LCH	lch(30.68, 59.92, 295.58°)
OKLab	oklab(41.23% -0.0029 -0.1559)
OKLCH	oklch(41.23% 0.156 268.9)
XYZ	xyz(8.9018, 6.5150, 33.1295)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F9E #9E892A

analogous

#2A799E #2A3F9E #4F2A9E

triadic

#2A3F9E #9E2A3F #3F9E2A

tetradic

#2A3F9E #9E2A79 #9E892A #2A9E4F

square

#2A3F9E #9E2A79 #9E892A #2A9E4F

split-complementary

#2A3F9E #9E4F2A #799E2A

monochromatic

#10183D #1D2C6E #2A3F9E #3A55CB #6B7ED8

Accessibility & contrast

On white

9.12

#2A3F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2A3F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F9E

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F9E	#FFFFFF	#000000	##FFFFFF
##2A3F9E	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3f9e;
/* rgb */ color: rgb(42, 63, 158);
/* oklch */ color: oklch(41.2% 0.156 268.9);

Tailwind

colors: {
  custom: {
    50: '#7473bb',
    500: '#2a3f9e',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f9e;
$custom-light: #7473bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f9e",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 158
  },
  "hsl": {
    "h": 229.138,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.41231,
    "c": 0.15597,
    "h": 268.9
  },
  "luminance": 0.06516
}

Semantic roles & 50–950 ramp

primary

#2A3F9E

secondary

#BEAE66

accent

#C547E1

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2A3F9E

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

Preview Lab → · Contrast checker → · Palette generator →