#2B3C8F#2B3C8F

#2B3C8F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.138 H 270.1°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C8F
RGB	rgb(43, 60, 143)
HSL	hsl(230, 54%, 36%)
HSV	hsv(230, 70%, 56%)
CMYK	cmyk(69.9%, 58%, 0%, 43.9%)
CIE-LAB	lab(28.72, 22.37, -48.07)
CIE-LCH	lch(28.72, 53.02, 294.96°)
OKLab	oklab(39.4% 0.0002 -0.1384)
OKLCH	oklch(39.4% 0.138 270.1)
XYZ	xyz(7.5684, 5.7278, 26.6880)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C8F #8F7E2B

analogous

#2B6E8F #2B3C8F #4C2B8F

triadic

#2B3C8F #8F2B3C #3C8F2B

tetradic

#2B3C8F #8F2B6E #8F7E2B #2B8F4C

square

#2B3C8F #8F2B6E #8F7E2B #2B8F4C

split-complementary

#2B3C8F #8F4C2B #6E8F2B

monochromatic

#0F1531 #1D2860 #2B3C8F #3950BE #6476D0

Accessibility & contrast

On white

9.79

#2B3C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2B3C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C8F

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C8F	#FFFFFF	#000000	##FFFFFF
##2B3C8F	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3c8f;
/* rgb */ color: rgb(43, 60, 143);
/* oklch */ color: oklch(39.4% 0.138 270.1);

Tailwind

colors: {
  custom: {
    50: '#7171b0',
    500: '#2b3c8f',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c8f;
$custom-light: #7171b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c8f",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 229.8,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39403,
    "c": 0.13841,
    "h": 270.1
  },
  "luminance": 0.05728
}

Semantic roles & 50–950 ramp

primary

#2B3C8F

secondary

#B7A85F

accent

#C44BDD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3C8F

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

Preview Lab → · Contrast checker → · Palette generator →