#2F3497#2F3497

#2F3497 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.159 H 274.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F3497
RGB	rgb(47, 52, 151)
HSL	hsl(237, 53%, 39%)
HSV	hsv(237, 69%, 59%)
CMYK	cmyk(68.9%, 65.6%, 0%, 40.8%)
CIE-LAB	lab(27.56, 31.24, -54.86)
CIE-LCH	lch(27.56, 63.13, 299.66°)
OKLab	oklab(38.82% 0.0112 -0.1583)
OKLCH	oklch(38.82% 0.159 274)
XYZ	xyz(7.9843, 5.2940, 29.8732)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3497 #97922F

analogous

#2F6897 #2F3497 #5E2F97

triadic

#2F3497 #972F34 #34972F

tetradic

#2F3497 #972F68 #97922F #2F975E

square

#2F3497 #972F68 #97922F #2F975E

split-complementary

#2F3497 #975E2F #68972F

monochromatic

#12143A #202468 #2F3497 #4046C3 #6E73D2

Accessibility & contrast

On white

10.20

#2F3497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F3497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3497

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3497	#FFFFFF	#000000	##FFFFFF
##2F3497	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003C95

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3497;
/* rgb */ color: rgb(47, 52, 151);
/* oklch */ color: oklch(38.8% 0.159 274.0);

Tailwind

colors: {
  custom: {
    50: '#766bb6',
    500: '#2f3497',
    950: '#000000',
  },
}

SCSS

$custom: #2f3497;
$custom-light: #766bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3497",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 151
  },
  "hsl": {
    "h": 237.115,
    "s": 52.525,
    "l": 38.824
  },
  "oklch": {
    "l": 0.3882,
    "c": 0.15872,
    "h": 274
  },
  "luminance": 0.05295
}

Semantic roles & 50–950 ramp

primary

#2F3497

secondary

#B9B568

accent

#D54CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #2F3497

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

Preview Lab → · Contrast checker → · Palette generator →