#2A3B89#2A3B89

#2A3B89 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.131 H 269.9°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B89
RGB	rgb(42, 59, 137)
HSL	hsl(229, 53%, 35%)
HSV	hsv(229, 69%, 54%)
CMYK	cmyk(69.3%, 56.9%, 0%, 46.3%)
CIE-LAB	lab(27.91, 20.62, -45.66)
CIE-LCH	lch(27.91, 50.10, 294.30°)
OKLab	oklab(38.64% -0.0002 -0.1314)
OKLCH	oklch(38.64% 0.131 269.9)
XYZ	xyz(7.0326, 5.4256, 24.3387)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B89 #89782A

analogous

#2A6B89 #2A3B89 #482A89

triadic

#2A3B89 #892A3B #3B892A

tetradic

#2A3B89 #892A6B #89782A #2A8948

square

#2A3B89 #892A6B #89782A #2A8948

split-complementary

#2A3B89 #89482A #6B892A

monochromatic

#0D132B #1C275A #2A3B89 #384FB8 #5F73CE

Accessibility & contrast

On white

10.07

#2A3B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2A3B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B89

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B89	#FFFFFF	#000000	##FFFFFF
##2A3B89	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468C

Deuteranopia (green-blind)

#003E87

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3b89;
/* rgb */ color: rgb(42, 59, 137);
/* oklch */ color: oklch(38.6% 0.131 269.9);

Tailwind

colors: {
  custom: {
    50: '#7070ac',
    500: '#2a3b89',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b89;
$custom-light: #7070ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b89",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 137
  },
  "hsl": {
    "h": 229.263,
    "s": 53.073,
    "l": 35.098
  },
  "oklch": {
    "l": 0.3864,
    "c": 0.13137,
    "h": 269.9
  },
  "luminance": 0.05426
}

Semantic roles & 50–950 ramp

primary

#2A3B89

secondary

#B4A45B

accent

#C34BDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3B89

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

Preview Lab → · Contrast checker → · Palette generator →