#2B238E#2B238E

#2B238E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.167 H 276.6°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B238E
RGB	rgb(43, 35, 142)
HSL	hsl(244, 60%, 35%)
HSV	hsv(244, 75%, 56%)
CMYK	cmyk(69.7%, 75.4%, 0%, 44.3%)
CIE-LAB	lab(22.54, 38.11, -57.55)
CIE-LCH	lch(22.54, 69.03, 303.51°)
OKLab	oklab(34.87% 0.0192 -0.1663)
OKLCH	oklch(34.87% 0.167 276.6)
XYZ	xyz(6.4782, 3.6681, 25.9526)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B238E #868E23

analogous

#23518E #2B238E #61238E

triadic

#2B238E #8E2B23 #238E2B

tetradic

#2B238E #8E2351 #868E23 #238E61

square

#2B238E #8E2351 #868E23 #238E61

split-complementary

#2B238E #8E6123 #518E23

monochromatic

#0D0B2C #1C175D #2B238E #3A2FBF #6056D5

Accessibility & contrast

On white

12.11

#2B238E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#2B238E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B238E

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B238E	#FFFFFF	#000000	##FFFFFF
##2B238E	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b238e;
/* rgb */ color: rgb(43, 35, 142);
/* oklch */ color: oklch(34.9% 0.167 276.6);

Tailwind

colors: {
  custom: {
    50: '#7360b0',
    500: '#2b238e',
    950: '#000000',
  },
}

SCSS

$custom: #2b238e;
$custom-light: #7360b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b238e",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 142
  },
  "hsl": {
    "h": 244.486,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34869,
    "c": 0.1674,
    "h": 276.6
  },
  "luminance": 0.03669
}

Semantic roles & 50–950 ramp

primary

#2B238E

secondary

#B2B953

accent

#E444D8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2B238E

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

Preview Lab → · Contrast checker → · Palette generator →