#2A3EB1#2A3EB1

#2A3EB1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.183 H 269.2°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A3EB1
RGB	rgb(42, 62, 177)
HSL	hsl(231, 62%, 43%)
HSV	hsv(231, 76%, 69%)
CMYK	cmyk(76.3%, 65%, 0%, 30.6%)
CIE-LAB	lab(32.06, 33.61, -63.19)
CIE-LCH	lch(32.06, 71.57, 298.01°)
OKLab	oklab(42.76% -0.0027 -0.1828)
OKLCH	oklch(42.76% 0.183 269.2)
XYZ	xyz(10.6105, 7.1107, 42.3997)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3EB1 #B19D2A

analogous

#2A81B1 #2A3EB1 #592AB1

triadic

#2A3EB1 #B12A3E #3EB12A

tetradic

#2A3EB1 #B12A81 #B19D2A #2AB159

square

#2A3EB1 #B12A81 #B19D2A #2AB159

split-complementary

#2A3EB1 #B1592A #81B12A

monochromatic

#131B4E #1E2D80 #2A3EB1 #455AD3 #7786DF

Accessibility & contrast

On white

8.67

#2A3EB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2A3EB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3EB1

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3EB1	#FFFFFF	#000000	##FFFFFF
##2A3EB1	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B5

Deuteranopia (green-blind)

#0045AF

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3eb1;
/* rgb */ color: rgb(42, 62, 177);
/* oklch */ color: oklch(42.8% 0.183 269.2);

Tailwind

colors: {
  custom: {
    50: '#7973c9',
    500: '#2a3eb1',
    950: '#000000',
  },
}

SCSS

$custom: #2a3eb1;
$custom-light: #7973c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3eb1",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 177
  },
  "hsl": {
    "h": 231.111,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42758,
    "c": 0.1828,
    "h": 269.2
  },
  "luminance": 0.07112
}

Semantic roles & 50–950 ramp

primary

#2A3EB1

secondary

#C6BA70

accent

#CD43E5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A3EB1

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

Preview Lab → · Contrast checker → · Palette generator →