#2A3683#2A3683

#2A3683 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.129 H 271.9°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#2A3683
RGB	rgb(42, 54, 131)
HSL	hsl(232, 51%, 34%)
HSV	hsv(232, 68%, 51%)
CMYK	cmyk(67.9%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(26.07, 21.77, -44.93)
CIE-LCH	lch(26.07, 49.93, 295.86°)
OKLab	oklab(37.11% 0.0042 -0.1293)
OKLCH	oklch(37.11% 0.129 271.9)
XYZ	xyz(6.3694, 4.7687, 22.0531)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3683 #83772A

analogous

#2A6383 #2A3683 #4B2A83

triadic

#2A3683 #832A36 #36832A

tetradic

#2A3683 #832A63 #83772A #2A834B

square

#2A3683 #832A63 #83772A #2A834B

split-complementary

#2A3683 #834B2A #63832A

monochromatic

#0C1026 #1B2355 #2A3683 #3949B1 #5D6BCB

Accessibility & contrast

On white

10.75

#2A3683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A3683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3683

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3683	#FFFFFF	#000000	##FFFFFF
##2A3683	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a3683;
/* rgb */ color: rgb(42, 54, 131);
/* oklch */ color: oklch(37.1% 0.129 271.9);

Tailwind

colors: {
  custom: {
    50: '#6f6ca8',
    500: '#2a3683',
    950: '#000000',
  },
}

SCSS

$custom: #2a3683;
$custom-light: #6f6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3683",
  "rgb": {
    "r": 42,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 231.91,
    "s": 51.445,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37108,
    "c": 0.12934,
    "h": 271.9
  },
  "luminance": 0.04769
}

Semantic roles & 50–950 ramp

primary

#2A3683

secondary

#B1A558

accent

#C84DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3683

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

Preview Lab → · Contrast checker → · Palette generator →