#2F3A9A#2F3A9A

#2F3A9A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.155 H 272.3°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A9A
RGB	rgb(47, 58, 154)
HSL	hsl(234, 53%, 39%)
HSV	hsv(234, 69%, 60%)
CMYK	cmyk(69.5%, 62.3%, 0%, 39.6%)
CIE-LAB	lab(29.32, 28.40, -53.81)
CIE-LCH	lch(29.32, 60.85, 297.82°)
OKLab	oklab(40.2% 0.0062 -0.1552)
OKLCH	oklch(40.2% 0.155 272.3)
XYZ	xyz(8.5161, 5.9627, 31.2677)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A9A #9A8F2F

analogous

#2F709A #2F3A9A #5A2F9A

triadic

#2F3A9A #9A2F3A #3A9A2F

tetradic

#2F3A9A #9A2F70 #9A8F2F #2F9A5A

square

#2F3A9A #9A2F70 #9A8F2F #2F9A5A

split-complementary

#2F3A9A #9A5A2F #709A2F

monochromatic

#12173C #21286B #2F3A9A #414FC5 #707AD3

Accessibility & contrast

On white

9.58

#2F3A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F3A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A9A

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A9A	#FFFFFF	#000000	##FFFFFF
##2F3A9A	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3a9a;
/* rgb */ color: rgb(47, 58, 154);
/* oklch */ color: oklch(40.2% 0.155 272.3);

Tailwind

colors: {
  custom: {
    50: '#7670b9',
    500: '#2f3a9a',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a9a;
$custom-light: #7670b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a9a",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 154
  },
  "hsl": {
    "h": 233.832,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40195,
    "c": 0.15534,
    "h": 272.3
  },
  "luminance": 0.05964
}

Semantic roles & 50–950 ramp

primary

#2F3A9A

secondary

#BBB36A

accent

#CE4BDD

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #2F3A9A

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

Preview Lab → · Contrast checker → · Palette generator →