#2B3291#2B3291

#2B3291 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.154 H 273.1°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B3291
RGB	rgb(43, 50, 145)
HSL	hsl(236, 54%, 37%)
HSV	hsv(236, 70%, 57%)
CMYK	cmyk(70.3%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(26.27, 29.81, -53.29)
CIE-LCH	lch(26.27, 61.06, 299.23°)
OKLab	oklab(37.65% 0.0084 -0.1538)
OKLCH	oklch(37.65% 0.154 273.1)
XYZ	xyz(7.2460, 4.8384, 27.3346)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3291 #918A2B

analogous

#2B6591 #2B3291 #572B91

triadic

#2B3291 #912B32 #32912B

tetradic

#2B3291 #912B65 #918A2B #2B9157

square

#2B3291 #912B65 #918A2B #2B9157

split-complementary

#2B3291 #91572B #65912B

monochromatic

#0F1133 #1D2262 #2B3291 #3942C0 #656CD1

Accessibility & contrast

On white

10.67

#2B3291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B3291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3291

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3291	#FFFFFF	#000000	##FFFFFF
##2B3291	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004394

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3291;
/* rgb */ color: rgb(43, 50, 145);
/* oklch */ color: oklch(37.6% 0.154 273.1);

Tailwind

colors: {
  custom: {
    50: '#736ab2',
    500: '#2b3291',
    950: '#000000',
  },
}

SCSS

$custom: #2b3291;
$custom-light: #736ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3291",
  "rgb": {
    "r": 43,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 235.882,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37645,
    "c": 0.15407,
    "h": 273.1
  },
  "luminance": 0.04839
}

Semantic roles & 50–950 ramp

primary

#2B3291

secondary

#B8B260

accent

#D34ADE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3291

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

Preview Lab → · Contrast checker → · Palette generator →