#2A3B8B#2A3B8B

#2A3B8B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.134 H 269.9°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B8B
RGB	rgb(42, 59, 139)
HSL	hsl(229, 54%, 35%)
HSV	hsv(229, 70%, 55%)
CMYK	cmyk(69.8%, 57.6%, 0%, 45.5%)
CIE-LAB	lab(28.07, 21.38, -46.65)
CIE-LCH	lch(28.07, 51.32, 294.62°)
OKLab	oklab(38.81% -0.0001 -0.1343)
OKLCH	oklch(38.81% 0.134 269.9)
XYZ	xyz(7.1774, 5.4836, 25.1013)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B8B #8B7A2A

analogous

#2A6B8B #2A3B8B #4A2A8B

triadic

#2A3B8B #8B2A3B #3B8B2A

tetradic

#2A3B8B #8B2A6B #8B7A2A #2A8B4A

square

#2A3B8B #8B2A6B #8B7A2A #2A8B4A

split-complementary

#2A3B8B #8B4A2A #6B8B2A

monochromatic

#0E132D #1C275C #2A3B8B #384FBA #6074CF

Accessibility & contrast

On white

10.02

#2A3B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2A3B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B8B

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B8B	#FFFFFF	#000000	##FFFFFF
##2A3B8B	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3b8b;
/* rgb */ color: rgb(42, 59, 139);
/* oklch */ color: oklch(38.8% 0.134 269.9);

Tailwind

colors: {
  custom: {
    50: '#7070ae',
    500: '#2a3b8b',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b8b;
$custom-light: #7070ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b8b",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 139
  },
  "hsl": {
    "h": 229.485,
    "s": 53.591,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38806,
    "c": 0.13427,
    "h": 269.9
  },
  "luminance": 0.05484
}

Semantic roles & 50–950 ramp

primary

#2A3B8B

secondary

#B5A55C

accent

#C34BDD

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3B8B

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

Preview Lab → · Contrast checker → · Palette generator →