#2A3E9B#2A3E9B

#2A3E9B is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.153 H 269.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E9B
RGB	rgb(42, 62, 155)
HSL	hsl(229, 57%, 39%)
HSV	hsv(229, 73%, 61%)
CMYK	cmyk(72.9%, 60%, 0%, 39.2%)
CIE-LAB	lab(30.16, 25.41, -53.05)
CIE-LCH	lch(30.16, 58.83, 295.59°)
OKLab	oklab(40.77% -0.0022 -0.1531)
OKLCH	oklch(40.77% 0.153 269.2)
XYZ	xyz(8.5918, 6.3032, 31.7678)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E9B #9B872A

analogous

#2A769B #2A3E9B #4F2A9B

triadic

#2A3E9B #9B2A3E #3E9B2A

tetradic

#2A3E9B #9B2A76 #9B872A #2A9B4F

square

#2A3E9B #9B2A76 #9B872A #2A9B4F

split-complementary

#2A3E9B #9B4F2A #769B2A

monochromatic

#10173B #1D2B6B #2A3E9B #3952C9 #697CD6

Accessibility & contrast

On white

9.29

#2A3E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A3E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E9B

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E9B	#FFFFFF	#000000	##FFFFFF
##2A3E9B	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9E

Deuteranopia (green-blind)

#004299

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a3e9b;
/* rgb */ color: rgb(42, 62, 155);
/* oklch */ color: oklch(40.8% 0.153 269.2);

Tailwind

colors: {
  custom: {
    50: '#7473b9',
    500: '#2a3e9b',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e9b;
$custom-light: #7473b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e9b",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 155
  },
  "hsl": {
    "h": 229.381,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40774,
    "c": 0.15308,
    "h": 269.2
  },
  "luminance": 0.06304
}

Semantic roles & 50–950 ramp

primary

#2A3E9B

secondary

#BDAD64

accent

#C547E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2A3E9B

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

Preview Lab → · Contrast checker → · Palette generator →