#2B338E#2B338E

#2B338E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.149 H 273.0°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B338E
RGB	rgb(43, 51, 142)
HSL	hsl(235, 54%, 36%)
HSV	hsv(235, 70%, 56%)
CMYK	cmyk(69.7%, 64.1%, 0%, 44.3%)
CIE-LAB	lab(26.26, 28.05, -51.46)
CIE-LCH	lch(26.26, 58.61, 298.60°)
OKLab	oklab(37.55% 0.0078 -0.1485)
OKLCH	oklch(37.55% 0.149 273)
XYZ	xyz(7.0609, 4.8336, 26.1468)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B338E #8E862B

analogous

#2B658E #2B338E #552B8E

triadic

#2B338E #8E2B33 #338E2B

tetradic

#2B338E #8E2B65 #8E862B #2B8E55

square

#2B338E #8E2B65 #8E862B #2B8E55

split-complementary

#2B338E #8E552B #658E2B

monochromatic

#0F1130 #1D225F #2B338E #3944BD #636CD0

Accessibility & contrast

On white

10.68

#2B338E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B338E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B338E

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B338E	#FFFFFF	#000000	##FFFFFF
##2B338E	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b338e;
/* rgb */ color: rgb(43, 51, 142);
/* oklch */ color: oklch(37.6% 0.149 273.0);

Tailwind

colors: {
  custom: {
    50: '#726ab0',
    500: '#2b338e',
    950: '#000000',
  },
}

SCSS

$custom: #2b338e;
$custom-light: #726ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b338e",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 142
  },
  "hsl": {
    "h": 235.152,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37553,
    "c": 0.14866,
    "h": 273
  },
  "luminance": 0.04834
}

Semantic roles & 50–950 ramp

primary

#2B338E

secondary

#B6AF5F

accent

#D14BDD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B338E

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

Preview Lab → · Contrast checker → · Palette generator →