#2A3CA1#2A3CA1

#2A3CA1 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.164 H 269.7°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CA1
RGB	rgb(42, 60, 161)
HSL	hsl(231, 59%, 40%)
HSV	hsv(231, 74%, 63%)
CMYK	cmyk(73.9%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(30.15, 29.00, -56.72)
CIE-LCH	lch(30.15, 63.70, 297.08°)
OKLab	oklab(40.92% -0.0007 -0.1638)
OKLCH	oklch(40.92% 0.164 269.7)
XYZ	xyz(9.0015, 6.2962, 34.4522)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CA1 #A18F2A

analogous

#2A78A1 #2A3CA1 #532AA1

triadic

#2A3CA1 #A12A3C #3CA12A

tetradic

#2A3CA1 #A12A78 #A18F2A #2AA153

square

#2A3CA1 #A12A78 #A18F2A #2AA153

split-complementary

#2A3CA1 #A1532A #78A12A

monochromatic

#111840 #1D2A70 #2A3CA1 #3C52CC #6D7DD9

Accessibility & contrast

On white

9.29

#2A3CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A3CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CA1

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CA1	#FFFFFF	#000000	##FFFFFF
##2A3CA1	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00429F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a3ca1;
/* rgb */ color: rgb(42, 60, 161);
/* oklch */ color: oklch(40.9% 0.164 269.7);

Tailwind

colors: {
  custom: {
    50: '#7571be',
    500: '#2a3ca1',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ca1;
$custom-light: #7571be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ca1",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 230.924,
    "s": 58.621,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40918,
    "c": 0.16384,
    "h": 269.7
  },
  "luminance": 0.06297
}

Semantic roles & 50–950 ramp

primary

#2A3CA1

secondary

#C0B267

accent

#CA46E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A3CA1

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

Preview Lab → · Contrast checker → · Palette generator →