#2F408B#2F408B

#2F408B is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.126 H 270.2°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F408B
RGB	rgb(47, 64, 139)
HSL	hsl(229, 49%, 36%)
HSV	hsv(229, 66%, 55%)
CMYK	cmyk(66.2%, 54%, 0%, 45.5%)
CIE-LAB	lab(29.75, 18.82, -43.92)
CIE-LCH	lch(29.75, 47.78, 293.19°)
OKLab	oklab(40.15% 0.0005 -0.126)
OKLCH	oklch(40.15% 0.126 270.2)
XYZ	xyz(7.6643, 6.1345, 25.2013)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F408B #8B7A2F

analogous

#2F6E8B #2F408B #4C2F8B

triadic

#2F408B #8B2F40 #408B2F

tetradic

#2F408B #8B2F6E #8B7A2F #2F8B4C

square

#2F408B #8B2F6E #8B7A2F #2F8B4C

split-complementary

#2F408B #8B4C2F #6E8B2F

monochromatic

#101630 #202B5D #2F408B #3E55B9 #687BCC

Accessibility & contrast

On white

9.43

#2F408B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F408B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F408B

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F408B	#FFFFFF	#000000	##FFFFFF
##2F408B	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114A8E

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f408b;
/* rgb */ color: rgb(47, 64, 139);
/* oklch */ color: oklch(40.1% 0.126 270.2);

Tailwind

colors: {
  custom: {
    50: '#7274ad',
    500: '#2f408b',
    950: '#000000',
  },
}

SCSS

$custom: #2f408b;
$custom-light: #7274ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f408b",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 139
  },
  "hsl": {
    "h": 228.913,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40146,
    "c": 0.12604,
    "h": 270.2
  },
  "luminance": 0.06135
}

Semantic roles & 50–950 ramp

primary

#2F408B

secondary

#B3A463

accent

#BF4FD9

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2F408B

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

Preview Lab → · Contrast checker → · Palette generator →