#2A3B8D#2A3B8D

#2A3B8D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.0% C 0.137 H 270.0°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B8D
RGB	rgb(42, 59, 141)
HSL	hsl(230, 54%, 36%)
HSV	hsv(230, 70%, 55%)
CMYK	cmyk(70.2%, 58.2%, 0%, 44.7%)
CIE-LAB	lab(28.23, 22.14, -47.63)
CIE-LCH	lch(28.23, 52.52, 294.93°)
OKLab	oklab(38.97% 0 -0.1372)
OKLCH	oklch(38.97% 0.137 270)
XYZ	xyz(7.3249, 5.5426, 25.8779)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B8D #8D7C2A

analogous

#2A6C8D #2A3B8D #4A2A8D

triadic

#2A3B8D #8D2A3B #3B8D2A

tetradic

#2A3B8D #8D2A6C #8D7C2A #2A8D4A

square

#2A3B8D #8D2A6C #8D7C2A #2A8D4A

split-complementary

#2A3B8D #8D4A2A #6C8D2A

monochromatic

#0E142F #1C275E #2A3B8D #384FBC #6174D0

Accessibility & contrast

On white

9.96

#2A3B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A3B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B8D

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B8D	#FFFFFF	#000000	##FFFFFF
##2A3B8D	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3b8d;
/* rgb */ color: rgb(42, 59, 141);
/* oklch */ color: oklch(39.0% 0.137 270.0);

Tailwind

colors: {
  custom: {
    50: '#7170af',
    500: '#2a3b8d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b8d;
$custom-light: #7170af;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b8d",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 141
  },
  "hsl": {
    "h": 229.697,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38974,
    "c": 0.13716,
    "h": 270
  },
  "luminance": 0.05543
}

Semantic roles & 50–950 ramp

primary

#2A3B8D

secondary

#B6A75D

accent

#C44ADD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3B8D

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

Preview Lab → · Contrast checker → · Palette generator →