#2A3AB0#2A3AB0

#2A3AB0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.186 H 269.9°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#2A3AB0
RGB	rgb(42, 58, 176)
HSL	hsl(233, 61%, 43%)
HSV	hsv(233, 76%, 69%)
CMYK	cmyk(76.1%, 67%, 0%, 31%)
CIE-LAB	lab(31.00, 35.80, -64.33)
CIE-LCH	lch(31.00, 73.62, 299.10°)
OKLab	oklab(41.96% -0.0002 -0.1861)
OKLCH	oklch(41.96% 0.186 269.9)
XYZ	xyz(10.3017, 6.6518, 41.8069)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3AB0 #B0A02A

analogous

#2A7DB0 #2A3AB0 #5D2AB0

triadic

#2A3AB0 #B02A3A #3AB02A

tetradic

#2A3AB0 #B02A7D #B0A02A #2AB05D

square

#2A3AB0 #B02A7D #B0A02A #2AB05D

split-complementary

#2A3AB0 #B05D2A #7DB02A

monochromatic

#12194D #1E2A7F #2A3AB0 #4556D3 #7683DE

Accessibility & contrast

On white

9.01

#2A3AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2A3AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3AB0

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3AB0	#FFFFFF	#000000	##FFFFFF
##2A3AB0	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB4

Deuteranopia (green-blind)

#0043AE

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a3ab0;
/* rgb */ color: rgb(42, 58, 176);
/* oklch */ color: oklch(42.0% 0.186 269.9);

Tailwind

colors: {
  custom: {
    50: '#7970c9',
    500: '#2a3ab0',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ab0;
$custom-light: #7970c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ab0",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 176
  },
  "hsl": {
    "h": 232.836,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41957,
    "c": 0.18613,
    "h": 269.9
  },
  "luminance": 0.06653
}

Semantic roles & 50–950 ramp

primary

#2A3AB0

secondary

#C6BC70

accent

#D143E5

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2A3AB0

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

Preview Lab → · Contrast checker → · Palette generator →