#2A3D9B#2A3D9B

#2A3D9B is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.154 H 269.5°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A3D9B
RGB	rgb(42, 61, 155)
HSL	hsl(230, 57%, 39%)
HSV	hsv(230, 73%, 61%)
CMYK	cmyk(72.9%, 60.6%, 0%, 39.2%)
CIE-LAB	lab(29.90, 26.08, -53.49)
CIE-LCH	lch(29.90, 59.51, 296.00°)
OKLab	oklab(40.58% -0.0014 -0.1543)
OKLCH	oklch(40.58% 0.154 269.5)
XYZ	xyz(8.5380, 6.1954, 31.7499)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3D9B #9B882A

analogous

#2A759B #2A3D9B #502A9B

triadic

#2A3D9B #9B2A3D #3D9B2A

tetradic

#2A3D9B #9B2A75 #9B882A #2A9B50

square

#2A3D9B #9B2A75 #9B882A #2A9B50

split-complementary

#2A3D9B #9B502A #759B2A

monochromatic

#10173B #1D2A6B #2A3D9B #3951C9 #697BD6

Accessibility & contrast

On white

9.38

#2A3D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2A3D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3D9B

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3D9B	#FFFFFF	#000000	##FFFFFF
##2A3D9B	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9E

Deuteranopia (green-blind)

#004199

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3d9b;
/* rgb */ color: rgb(42, 61, 155);
/* oklch */ color: oklch(40.6% 0.154 269.5);

Tailwind

colors: {
  custom: {
    50: '#7472b9',
    500: '#2a3d9b',
    950: '#000000',
  },
}

SCSS

$custom: #2a3d9b;
$custom-light: #7472b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3d9b",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 155
  },
  "hsl": {
    "h": 229.912,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40577,
    "c": 0.15435,
    "h": 269.5
  },
  "luminance": 0.06196
}

Semantic roles & 50–950 ramp

primary

#2A3D9B

secondary

#BDAE64

accent

#C747E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2A3D9B

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

Preview Lab → · Contrast checker → · Palette generator →