#2F3A9C#2F3A9C

#2F3A9C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.158 H 272.2°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A9C
RGB	rgb(47, 58, 156)
HSL	hsl(234, 54%, 40%)
HSV	hsv(234, 70%, 61%)
CMYK	cmyk(69.9%, 62.8%, 0%, 38.8%)
CIE-LAB	lab(29.49, 29.13, -54.76)
CIE-LCH	lch(29.49, 62.02, 298.01°)
OKLab	oklab(40.37% 0.0062 -0.158)
OKLCH	oklch(40.37% 0.158 272.2)
XYZ	xyz(8.6841, 6.0299, 32.1523)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A9C #9C912F

analogous

#2F719C #2F3A9C #5B2F9C

triadic

#2F3A9C #9C2F3A #3A9C2F

tetradic

#2F3A9C #9C2F71 #9C912F #2F9C5B

square

#2F3A9C #9C2F71 #9C912F #2F9C5B

split-complementary

#2F3A9C #9C5B2F #719C2F

monochromatic

#13173E #21296D #2F3A9C #424FC6 #717BD4

Accessibility & contrast

On white

9.52

#2F3A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F3A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A9C

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A9C	#FFFFFF	#000000	##FFFFFF
##2F3A9C	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3a9c;
/* rgb */ color: rgb(47, 58, 156);
/* oklch */ color: oklch(40.4% 0.158 272.2);

Tailwind

colors: {
  custom: {
    50: '#7670ba',
    500: '#2f3a9c',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a9c;
$custom-light: #7670ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a9c",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 233.945,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40373,
    "c": 0.15809,
    "h": 272.2
  },
  "luminance": 0.06031
}

Semantic roles & 50–950 ramp

primary

#2F3A9C

secondary

#BCB46B

accent

#CE4BDD

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3A9C

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

Preview Lab → · Contrast checker → · Palette generator →