#2B458B#2B458B

#2B458B is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.0% C 0.121 H 265.9°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B458B
RGB	rgb(43, 69, 139)
HSL	hsl(224, 53%, 36%)
HSV	hsv(224, 69%, 55%)
CMYK	cmyk(69.1%, 50.4%, 0%, 45.5%)
CIE-LAB	lab(30.96, 14.72, -41.98)
CIE-LCH	lch(30.96, 44.49, 289.33°)
OKLab	oklab(41% -0.0085 -0.1204)
OKLCH	oklch(41% 0.121 265.9)
XYZ	xyz(7.7830, 6.6332, 25.2913)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B458B #8B712B

analogous

#2B758B #2B458B #412B8B

triadic

#2B458B #8B2B45 #458B2B

tetradic

#2B458B #8B2B75 #8B712B #2B8B41

square

#2B458B #8B2B75 #8B712B #2B8B41

split-complementary

#2B458B #8B412B #758B2B

monochromatic

#0E172E #1D2E5C #2B458B #395CBA #627FCE

Accessibility & contrast

On white

9.03

#2B458B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2B458B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B458B

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B458B	#FFFFFF	#000000	##FFFFFF
##2B458B	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4D8E

Deuteranopia (green-blind)

#04458A

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b458b;
/* rgb */ color: rgb(43, 69, 139);
/* oklch */ color: oklch(41.0% 0.121 265.9);

Tailwind

colors: {
  custom: {
    50: '#7078ad',
    500: '#2b458b',
    950: '#000000',
  },
}

SCSS

$custom: #2b458b;
$custom-light: #7078ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b458b",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 139
  },
  "hsl": {
    "h": 223.75,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41002,
    "c": 0.12066,
    "h": 265.9
  },
  "luminance": 0.06634
}

Semantic roles & 50–950 ramp

primary

#2B458B

secondary

#B59D5D

accent

#B54CDC

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B458B

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

Preview Lab → · Contrast checker → · Palette generator →