#2A3B91#2A3B91

#2A3B91 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.143 H 270.0°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B91
RGB	rgb(42, 59, 145)
HSL	hsl(230, 55%, 37%)
HSV	hsv(230, 71%, 57%)
CMYK	cmyk(71%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(28.55, 23.65, -49.57)
CIE-LCH	lch(28.55, 54.93, 295.51°)
OKLab	oklab(39.31% 0.0001 -0.1429)
OKLCH	oklch(39.31% 0.143 270)
XYZ	xyz(7.6279, 5.6638, 27.4738)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B91 #91802A

analogous

#2A6F91 #2A3B91 #4D2A91

triadic

#2A3B91 #912A3B #3B912A

tetradic

#2A3B91 #912A6F #91802A #2A914D

square

#2A3B91 #912A6F #91802A #2A914D

split-complementary

#2A3B91 #914D2A #6F912A

monochromatic

#0F1432 #1C2862 #2A3B91 #384EC0 #6376D2

Accessibility & contrast

On white

9.85

#2A3B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2A3B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B91

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B91	#FFFFFF	#000000	##FFFFFF
##2A3B91	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#003F8F

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3b91;
/* rgb */ color: rgb(42, 59, 145);
/* oklch */ color: oklch(39.3% 0.143 270.0);

Tailwind

colors: {
  custom: {
    50: '#7270b2',
    500: '#2a3b91',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b91;
$custom-light: #7270b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b91",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 230.097,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39313,
    "c": 0.14287,
    "h": 270
  },
  "luminance": 0.05665
}

Semantic roles & 50–950 ramp

primary

#2A3B91

secondary

#B8A95F

accent

#C649DE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3B91

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

Preview Lab → · Contrast checker → · Palette generator →