#2B37A2#2B37A2

#2B37A2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.171 H 271.2°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B37A2
RGB	rgb(43, 55, 162)
HSL	hsl(234, 58%, 40%)
HSV	hsv(234, 73%, 64%)
CMYK	cmyk(73.5%, 66%, 0%, 36.5%)
CIE-LAB	lab(29.04, 32.76, -59.14)
CIE-LCH	lch(29.04, 67.60, 298.98°)
OKLab	oklab(40.15% 0.0037 -0.1709)
OKLCH	oklch(40.15% 0.171 271.2)
XYZ	xyz(8.8818, 5.8537, 34.8372)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B37A2 #A2962B

analogous

#2B72A2 #2B37A2 #5B2BA2

triadic

#2B37A2 #A22B37 #37A22B

tetradic

#2B37A2 #A22B72 #A2962B #2BA25B

square

#2B37A2 #A22B72 #A2962B #2BA25B

split-complementary

#2B37A2 #A25B2B #72A22B

monochromatic

#111641 #1E2772 #2B37A2 #3E4DCC #6F79D9

Accessibility & contrast

On white

9.67

#2B37A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2B37A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B37A2

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B37A2	#FFFFFF	#000000	##FFFFFF
##2B37A2	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA5

Deuteranopia (green-blind)

#003FA0

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b37a2;
/* rgb */ color: rgb(43, 55, 162);
/* oklch */ color: oklch(40.1% 0.171 271.2);

Tailwind

colors: {
  custom: {
    50: '#766ebf',
    500: '#2b37a2',
    950: '#000000',
  },
}

SCSS

$custom: #2b37a2;
$custom-light: #766ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b37a2",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 162
  },
  "hsl": {
    "h": 233.95,
    "s": 58.049,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40146,
    "c": 0.17097,
    "h": 271.2
  },
  "luminance": 0.05855
}

Semantic roles & 50–950 ramp

primary

#2B37A2

secondary

#C0B769

accent

#D247E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B37A2

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

Preview Lab → · Contrast checker → · Palette generator →