#2A3EB6#2A3EB6

#2A3EB6 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.2% C 0.189 H 269.1°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#2A3EB6
RGB	rgb(42, 62, 182)
HSL	hsl(231, 63%, 44%)
HSV	hsv(231, 77%, 71%)
CMYK	cmyk(76.9%, 65.9%, 0%, 28.6%)
CIE-LAB	lab(32.51, 35.43, -65.42)
CIE-LCH	lch(32.51, 74.40, 298.44°)
OKLab	oklab(43.23% -0.0029 -0.1893)
OKLCH	oklch(43.23% 0.189 269.1)
XYZ	xyz(11.1181, 7.3137, 45.0726)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3EB6 #B6A22A

analogous

#2A84B6 #2A3EB6 #5C2AB6

triadic

#2A3EB6 #B62A3E #3EB62A

tetradic

#2A3EB6 #B62A84 #B6A22A #2AB65C

square

#2A3EB6 #B62A84 #B6A22A #2AB65C

split-complementary

#2A3EB6 #B65C2A #84B62A

monochromatic

#131C53 #1F2D84 #2A3EB6 #485CD5 #7A89E0

Accessibility & contrast

On white

8.53

#2A3EB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2A3EB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3EB6

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3EB6	#FFFFFF	#000000	##FFFFFF
##2A3EB6	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BA

Deuteranopia (green-blind)

#0046B4

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a3eb6;
/* rgb */ color: rgb(42, 62, 182);
/* oklch */ color: oklch(43.2% 0.189 269.1);

Tailwind

colors: {
  custom: {
    50: '#7a73cd',
    500: '#2a3eb6',
    950: '#000000',
  },
}

SCSS

$custom: #2a3eb6;
$custom-light: #7a73cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3eb6",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 182
  },
  "hsl": {
    "h": 231.429,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43229,
    "c": 0.18931,
    "h": 269.1
  },
  "luminance": 0.07315
}

Semantic roles & 50–950 ramp

primary

#2A3EB6

secondary

#C8BC73

accent

#CE42E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2A3EB6

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

Preview Lab → · Contrast checker → · Palette generator →