#2A3F9D#2A3F9D

#2A3F9D is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.1% C 0.155 H 268.9°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F9D
RGB	rgb(42, 63, 157)
HSL	hsl(229, 58%, 39%)
HSV	hsv(229, 73%, 62%)
CMYK	cmyk(73.2%, 59.9%, 0%, 38.4%)
CIE-LAB	lab(30.59, 25.50, -53.57)
CIE-LCH	lch(30.59, 59.33, 295.45°)
OKLab	oklab(41.15% -0.0029 -0.1546)
OKLCH	oklch(41.15% 0.155 268.9)
XYZ	xyz(8.8161, 6.4807, 32.6780)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F9D #9D882A

analogous

#2A799D #2A3F9D #4E2A9D

triadic

#2A3F9D #9D2A3F #3F9D2A

tetradic

#2A3F9D #9D2A79 #9D882A #2A9D4E

square

#2A3F9D #9D2A79 #9D882A #2A9D4E

split-complementary

#2A3F9D #9D4E2A #799D2A

monochromatic

#10183C #1D2C6D #2A3F9D #3A54CA #6A7ED7

Accessibility & contrast

On white

9.14

#2A3F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2A3F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F9D

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F9D	#FFFFFF	#000000	##FFFFFF
##2A3F9D	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00439B

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3f9d;
/* rgb */ color: rgb(42, 63, 157);
/* oklch */ color: oklch(41.1% 0.155 268.9);

Tailwind

colors: {
  custom: {
    50: '#7473bb',
    500: '#2a3f9d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f9d;
$custom-light: #7473bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f9d",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 157
  },
  "hsl": {
    "h": 229.043,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41145,
    "c": 0.15459,
    "h": 268.9
  },
  "luminance": 0.06482
}

Semantic roles & 50–950 ramp

primary

#2A3F9D

secondary

#BEAE65

accent

#C547E1

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2A3F9D

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

Preview Lab → · Contrast checker → · Palette generator →