#2F3C97#2F3C97

#2F3C97 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.149 H 271.8°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C97
RGB	rgb(47, 60, 151)
HSL	hsl(233, 53%, 39%)
HSV	hsv(233, 69%, 59%)
CMYK	cmyk(68.9%, 60.3%, 0%, 40.8%)
CIE-LAB	lab(29.59, 25.97, -51.55)
CIE-LCH	lch(29.59, 57.72, 296.74°)
OKLab	oklab(40.32% 0.0046 -0.1485)
OKLCH	oklch(40.32% 0.149 271.8)
XYZ	xyz(8.3722, 6.0696, 30.0025)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C97 #978A2F

analogous

#2F7097 #2F3C97 #562F97

triadic

#2F3C97 #972F3C #3C972F

tetradic

#2F3C97 #972F70 #978A2F #2F9756

square

#2F3C97 #972F70 #978A2F #2F9756

split-complementary

#2F3C97 #97562F #70972F

monochromatic

#12173A #202968 #2F3C97 #4050C3 #6E7BD2

Accessibility & contrast

On white

9.49

#2F3C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F3C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C97

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C97	#FFFFFF	#000000	##FFFFFF
##2F3C97	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f3c97;
/* rgb */ color: rgb(47, 60, 151);
/* oklch */ color: oklch(40.3% 0.149 271.8);

Tailwind

colors: {
  custom: {
    50: '#7571b6',
    500: '#2f3c97',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c97;
$custom-light: #7571b6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c97",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 151
  },
  "hsl": {
    "h": 232.5,
    "s": 52.525,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40317,
    "c": 0.1486,
    "h": 271.8
  },
  "luminance": 0.0607
}

Semantic roles & 50–950 ramp

primary

#2F3C97

secondary

#B9AF68

accent

#CA4CDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3C97

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

Preview Lab → · Contrast checker → · Palette generator →