#2B237E#2B237E

#2B237E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.146 H 278.7°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B237E
RGB	rgb(43, 35, 126)
HSL	hsl(245, 57%, 32%)
HSV	hsv(245, 72%, 49%)
CMYK	cmyk(65.9%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(20.91, 32.67, -50.19)
CIE-LCH	lch(20.91, 59.89, 303.06°)
OKLab	oklab(33.21% 0.0223 -0.1448)
OKLCH	oklch(33.21% 0.147 278.7)
XYZ	xyz(5.3620, 3.2216, 20.0739)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B237E #767E23

analogous

#23497E #2B237E #59237E

triadic

#2B237E #7E2B23 #237E2B

tetradic

#2B237E #7E2349 #767E23 #237E59

square

#2B237E #7E2349 #767E23 #237E59

split-complementary

#2B237E #7E5923 #497E23

monochromatic

#0A081E #1B164E #2B237E #3B30AE #594ECE

Accessibility & contrast

On white

12.77

#2B237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2B237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B237E

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B237E	#FFFFFF	#000000	##FFFFFF
##2B237E	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b237e;
/* rgb */ color: rgb(43, 35, 126);
/* oklch */ color: oklch(33.2% 0.146 278.7);

Tailwind

colors: {
  custom: {
    50: '#705fa4',
    500: '#2b237e',
    950: '#000000',
  },
}

SCSS

$custom: #2b237e;
$custom-light: #705fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b237e",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 245.275,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33213,
    "c": 0.1465,
    "h": 278.7
  },
  "luminance": 0.03222
}

Semantic roles & 50–950 ramp

primary

#2B237E

secondary

#A8B04C

accent

#E048D2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B237E

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

Preview Lab → · Contrast checker → · Palette generator →