#2F37A2#2F37A2

#2F37A2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.4% C 0.170 H 272.7°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F37A2
RGB	rgb(47, 55, 162)
HSL	hsl(236, 55%, 41%)
HSV	hsv(236, 71%, 64%)
CMYK	cmyk(71%, 66%, 0%, 36.5%)
CIE-LAB	lab(29.27, 33.25, -58.75)
CIE-LCH	lch(29.27, 67.50, 299.51°)
OKLab	oklab(40.38% 0.0081 -0.1697)
OKLCH	oklch(40.38% 0.17 272.7)
XYZ	xyz(9.0579, 5.9445, 34.8455)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F37A2 #A29A2F

analogous

#2F70A2 #2F37A2 #602FA2

triadic

#2F37A2 #A22F37 #37A22F

tetradic

#2F37A2 #A22F70 #A29A2F #2FA260

square

#2F37A2 #A22F70 #A29A2F #2FA260

split-complementary

#2F37A2 #A2602F #70A22F

monochromatic

#131743 #212773 #2F37A2 #454EC9 #757BD7

Accessibility & contrast

On white

9.59

#2F37A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F37A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F37A2

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F37A2	#FFFFFF	#000000	##FFFFFF
##2F37A2	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA5

Deuteranopia (green-blind)

#0040A0

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f37a2;
/* rgb */ color: rgb(47, 55, 162);
/* oklch */ color: oklch(40.4% 0.170 272.7);

Tailwind

colors: {
  custom: {
    50: '#786ebe',
    500: '#2f37a2',
    950: '#000000',
  },
}

SCSS

$custom: #2f37a2;
$custom-light: #786ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#2f37a2",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 162
  },
  "hsl": {
    "h": 235.826,
    "s": 55.024,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40377,
    "c": 0.16989,
    "h": 272.7
  },
  "luminance": 0.05945
}

Semantic roles & 50–950 ramp

primary

#2F37A2

secondary

#BFB96E

accent

#D449DE

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F37A2

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

Preview Lab → · Contrast checker → · Palette generator →