#2A3BA1#2A3BA1

#2A3BA1 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.165 H 270.0°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A3BA1
RGB	rgb(42, 59, 161)
HSL	hsl(231, 59%, 40%)
HSV	hsv(231, 74%, 63%)
CMYK	cmyk(73.9%, 63.4%, 0%, 36.9%)
CIE-LAB	lab(29.89, 29.66, -57.14)
CIE-LCH	lch(29.89, 64.38, 297.43°)
OKLab	oklab(40.73% 0 -0.1651)
OKLCH	oklch(40.73% 0.165 270)
XYZ	xyz(8.9496, 6.1924, 34.4349)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3BA1 #A1902A

analogous

#2A76A1 #2A3BA1 #552AA1

triadic

#2A3BA1 #A12A3B #3BA12A

tetradic

#2A3BA1 #A12A76 #A1902A #2AA155

square

#2A3BA1 #A12A76 #A1902A #2AA155

split-complementary

#2A3BA1 #A1552A #76A12A

monochromatic

#111740 #1D2970 #2A3BA1 #3C51CC #6D7CD9

Accessibility & contrast

On white

9.38

#2A3BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2A3BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3BA1

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3BA1	#FFFFFF	#000000	##FFFFFF
##2A3BA1	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#00419F

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3ba1;
/* rgb */ color: rgb(42, 59, 161);
/* oklch */ color: oklch(40.7% 0.165 270.0);

Tailwind

colors: {
  custom: {
    50: '#7570be',
    500: '#2a3ba1',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ba1;
$custom-light: #7570be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ba1",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 161
  },
  "hsl": {
    "h": 231.429,
    "s": 58.621,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4073,
    "c": 0.16507,
    "h": 270
  },
  "luminance": 0.06193
}

Semantic roles & 50–950 ramp

primary

#2A3BA1

secondary

#C0B367

accent

#CC46E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A3BA1

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

Preview Lab → · Contrast checker → · Palette generator →