#2B3B93#2B3B93

#2B3B93 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.145 H 270.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B3B93
RGB	rgb(43, 59, 147)
HSL	hsl(231, 55%, 37%)
HSV	hsv(231, 71%, 58%)
CMYK	cmyk(70.7%, 59.9%, 0%, 42.4%)
CIE-LAB	lab(28.77, 24.56, -50.45)
CIE-LCH	lch(28.77, 56.11, 295.96°)
OKLab	oklab(39.54% 0.0012 -0.1454)
OKLCH	oklch(39.54% 0.145 270.5)
XYZ	xyz(7.8249, 5.7473, 28.2951)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3B93 #93832B

analogous

#2B6F93 #2B3B93 #4F2B93

triadic

#2B3B93 #932B3B #3B932B

tetradic

#2B3B93 #932B6F #93832B #2B934F

square

#2B3B93 #932B6F #93832B #2B934F

split-complementary

#2B3B93 #934F2B #6F932B

monochromatic

#0F1534 #1D2864 #2B3B93 #394EC2 #6677D2

Accessibility & contrast

On white

9.77

#2B3B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2B3B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3B93

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3B93	#FFFFFF	#000000	##FFFFFF
##2B3B93	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004996

Deuteranopia (green-blind)

#003F91

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3b93;
/* rgb */ color: rgb(43, 59, 147);
/* oklch */ color: oklch(39.5% 0.145 270.5);

Tailwind

colors: {
  custom: {
    50: '#7270b3',
    500: '#2b3b93',
    950: '#000000',
  },
}

SCSS

$custom: #2b3b93;
$custom-light: #7270b3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3b93",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 147
  },
  "hsl": {
    "h": 230.769,
    "s": 54.737,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39542,
    "c": 0.14541,
    "h": 270.5
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#2B3B93

secondary

#B9AB61

accent

#C74ADE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3B93

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

Preview Lab → · Contrast checker → · Palette generator →