#2F3A99#2F3A99

#2F3A99 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.154 H 272.3°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A99
RGB	rgb(47, 58, 153)
HSL	hsl(234, 53%, 39%)
HSV	hsv(234, 69%, 60%)
CMYK	cmyk(69.3%, 62.1%, 0%, 40%)
CIE-LAB	lab(29.23, 28.03, -53.34)
CIE-LCH	lch(29.23, 60.26, 297.72°)
OKLab	oklab(40.11% 0.0063 -0.1538)
OKLCH	oklch(40.11% 0.154 272.3)
XYZ	xyz(8.4332, 5.9296, 30.8309)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A99 #998E2F

analogous

#2F6F99 #2F3A99 #592F99

triadic

#2F3A99 #992F3A #3A992F

tetradic

#2F3A99 #992F6F #998E2F #2F9959

square

#2F3A99 #992F6F #998E2F #2F9959

split-complementary

#2F3A99 #99592F #6F992F

monochromatic

#12173B #21286A #2F3A99 #414EC5 #6F7AD3

Accessibility & contrast

On white

9.61

#2F3A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F3A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A99

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A99	#FFFFFF	#000000	##FFFFFF
##2F3A99	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3a99;
/* rgb */ color: rgb(47, 58, 153);
/* oklch */ color: oklch(40.1% 0.154 272.3);

Tailwind

colors: {
  custom: {
    50: '#7670b8',
    500: '#2f3a99',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a99;
$custom-light: #7670b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a99",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 233.774,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40107,
    "c": 0.15396,
    "h": 272.3
  },
  "luminance": 0.0593
}

Semantic roles & 50–950 ramp

primary

#2F3A99

secondary

#BAB269

accent

#CD4BDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3A99

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

Preview Lab → · Contrast checker → · Palette generator →