#2A3BA0#2A3BA0

#2A3BA0 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.164 H 270.0°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#2A3BA0
RGB	rgb(42, 59, 160)
HSL	hsl(231, 58%, 40%)
HSV	hsv(231, 74%, 63%)
CMYK	cmyk(73.8%, 63.1%, 0%, 37.3%)
CIE-LAB	lab(29.81, 29.29, -56.67)
CIE-LCH	lch(29.81, 63.79, 297.33°)
OKLab	oklab(40.64% 0 -0.1637)
OKLCH	oklch(40.64% 0.164 270)
XYZ	xyz(8.8618, 6.1573, 33.9723)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3BA0 #A08F2A

analogous

#2A76A0 #2A3BA0 #542AA0

triadic

#2A3BA0 #A02A3B #3BA02A

tetradic

#2A3BA0 #A02A76 #A08F2A #2AA054

square

#2A3BA0 #A02A76 #A08F2A #2AA054

split-complementary

#2A3BA0 #A0542A #76A02A

monochromatic

#11173F #1D2970 #2A3BA0 #3C50CC #6C7CD8

Accessibility & contrast

On white

9.41

#2A3BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2A3BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3BA0

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3BA0	#FFFFFF	#000000	##FFFFFF
##2A3BA0	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA3

Deuteranopia (green-blind)

#00419E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3ba0;
/* rgb */ color: rgb(42, 59, 160);
/* oklch */ color: oklch(40.6% 0.164 270.0);

Tailwind

colors: {
  custom: {
    50: '#7570bd',
    500: '#2a3ba0',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ba0;
$custom-light: #7570bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ba0",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 160
  },
  "hsl": {
    "h": 231.356,
    "s": 58.416,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40639,
    "c": 0.16371,
    "h": 270
  },
  "luminance": 0.06158
}

Semantic roles & 50–950 ramp

primary

#2A3BA0

secondary

#BFB267

accent

#CB46E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A3BA0

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

Preview Lab → · Contrast checker → · Palette generator →