#2B3C91#2B3C91

#2B3C91 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.141 H 270.1°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C91
RGB	rgb(43, 60, 145)
HSL	hsl(230, 54%, 37%)
HSV	hsv(230, 70%, 57%)
CMYK	cmyk(70.3%, 58.6%, 0%, 43.1%)
CIE-LAB	lab(28.87, 23.13, -49.04)
CIE-LCH	lch(28.87, 54.22, 295.25°)
OKLab	oklab(39.57% 0.0003 -0.1413)
OKLCH	oklch(39.57% 0.141 270.1)
XYZ	xyz(7.7212, 5.7889, 27.4930)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C91 #91802B

analogous

#2B6F91 #2B3C91 #4D2B91

triadic

#2B3C91 #912B3C #3C912B

tetradic

#2B3C91 #912B6F #91802B #2B914D

square

#2B3C91 #912B6F #91802B #2B914D

split-complementary

#2B3C91 #914D2B #6F912B

monochromatic

#0F1533 #1D2862 #2B3C91 #3950C0 #6577D1

Accessibility & contrast

On white

9.73

#2B3C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2B3C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C91

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C91	#FFFFFF	#000000	##FFFFFF
##2B3C91	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3c91;
/* rgb */ color: rgb(43, 60, 145);
/* oklch */ color: oklch(39.6% 0.141 270.1);

Tailwind

colors: {
  custom: {
    50: '#7271b2',
    500: '#2b3c91',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c91;
$custom-light: #7271b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c91",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 145
  },
  "hsl": {
    "h": 230,
    "s": 54.255,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39572,
    "c": 0.14127,
    "h": 270.1
  },
  "luminance": 0.0579
}

Semantic roles & 50–950 ramp

primary

#2B3C91

secondary

#B8A960

accent

#C54ADE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3C91

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

Preview Lab → · Contrast checker → · Palette generator →