#2A3488#2A3488

#2A3488 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.139 H 272.5°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A3488
RGB	rgb(42, 52, 136)
HSL	hsl(234, 53%, 35%)
HSV	hsv(234, 69%, 53%)
CMYK	cmyk(69.1%, 61.8%, 0%, 46.7%)
CIE-LAB	lab(25.94, 25.01, -48.26)
CIE-LCH	lch(25.94, 54.35, 297.40°)
OKLab	oklab(37.14% 0.006 -0.1391)
OKLCH	oklch(37.14% 0.139 272.5)
XYZ	xyz(6.6253, 4.7252, 23.8507)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3488 #887E2A

analogous

#2A6388 #2A3488 #4F2A88

triadic

#2A3488 #882A34 #34882A

tetradic

#2A3488 #882A63 #887E2A #2A884F

square

#2A3488 #882A63 #887E2A #2A884F

split-complementary

#2A3488 #884F2A #63882A

monochromatic

#0D102A #1C2259 #2A3488 #3846B7 #5F6BCE

Accessibility & contrast

On white

10.80

#2A3488 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A3488 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3488

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3488	#FFFFFF	#000000	##FFFFFF
##2A3488	1.00	10.80	1.95	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428B

Deuteranopia (green-blind)

#003986

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a3488;
/* rgb */ color: rgb(42, 52, 136);
/* oklch */ color: oklch(37.1% 0.139 272.5);

Tailwind

colors: {
  custom: {
    50: '#706bab',
    500: '#2a3488',
    950: '#000000',
  },
}

SCSS

$custom: #2a3488;
$custom-light: #706bab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3488",
  "rgb": {
    "r": 42,
    "g": 52,
    "b": 136
  },
  "hsl": {
    "h": 233.617,
    "s": 52.809,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37141,
    "c": 0.13921,
    "h": 272.5
  },
  "luminance": 0.04726
}

Semantic roles & 50–950 ramp

primary

#2A3488

secondary

#B3AA5B

accent

#CD4CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2A3488

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

Preview Lab → · Contrast checker → · Palette generator →