#2F408F#2F408F

#2F408F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.132 H 270.3°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#2F408F
RGB	rgb(47, 64, 143)
HSL	hsl(229, 51%, 37%)
HSV	hsv(229, 67%, 56%)
CMYK	cmyk(67.1%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(30.04, 20.31, -45.91)
CIE-LCH	lch(30.04, 50.20, 293.87°)
OKLab	oklab(40.46% 0.0008 -0.1319)
OKLCH	oklch(40.46% 0.132 270.3)
XYZ	xyz(7.9619, 6.2536, 26.7687)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F408F #8F7E2F

analogous

#2F708F #2F408F #4E2F8F

triadic

#2F408F #8F2F40 #408F2F

tetradic

#2F408F #8F2F70 #8F7E2F #2F8F4E

square

#2F408F #8F2F70 #8F7E2F #2F8F4E

split-complementary

#2F408F #8F4E2F #708F2F

monochromatic

#111733 #202B61 #2F408F #3E55BD #6A7CCE

Accessibility & contrast

On white

9.33

#2F408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2F408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F408F

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F408F	#FFFFFF	#000000	##FFFFFF
##2F408F	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074B92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f408f;
/* rgb */ color: rgb(47, 64, 143);
/* oklch */ color: oklch(40.5% 0.132 270.3);

Tailwind

colors: {
  custom: {
    50: '#7374b0',
    500: '#2f408f',
    950: '#000000',
  },
}

SCSS

$custom: #2f408f;
$custom-light: #7374b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f408f",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 229.375,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40461,
    "c": 0.13189,
    "h": 270.3
  },
  "luminance": 0.06254
}

Semantic roles & 50–950 ramp

primary

#2F408F

secondary

#B5A765

accent

#C14EDA

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F408F

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

Preview Lab → · Contrast checker → · Palette generator →