#2F408D#2F408D

#2F408D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.129 H 270.3°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#2F408D
RGB	rgb(47, 64, 141)
HSL	hsl(229, 50%, 37%)
HSV	hsv(229, 67%, 55%)
CMYK	cmyk(66.7%, 54.6%, 0%, 44.7%)
CIE-LAB	lab(29.90, 19.57, -44.91)
CIE-LCH	lch(29.90, 48.99, 293.54°)
OKLab	oklab(40.3% 0.0006 -0.129)
OKLCH	oklch(40.3% 0.129 270.3)
XYZ	xyz(7.8118, 6.1935, 25.9779)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F408D #8D7C2F

analogous

#2F6F8D #2F408D #4D2F8D

triadic

#2F408D #8D2F40 #408D2F

tetradic

#2F408D #8D2F6F #8D7C2F #2F8D4D

square

#2F408D #8D2F6F #8D7C2F #2F8D4D

split-complementary

#2F408D #8D4D2F #6F8D2F

monochromatic

#101631 #202B5F #2F408D #3E55BB #697BCD

Accessibility & contrast

On white

9.38

#2F408D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2F408D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F408D

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F408D	#FFFFFF	#000000	##FFFFFF
##2F408D	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4B90

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f408d;
/* rgb */ color: rgb(47, 64, 141);
/* oklch */ color: oklch(40.3% 0.129 270.3);

Tailwind

colors: {
  custom: {
    50: '#7274af',
    500: '#2f408d',
    950: '#000000',
  },
}

SCSS

$custom: #2f408d;
$custom-light: #7274af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f408d",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 141
  },
  "hsl": {
    "h": 229.149,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40303,
    "c": 0.12898,
    "h": 270.3
  },
  "luminance": 0.06194
}

Semantic roles & 50–950 ramp

primary

#2F408D

secondary

#B4A664

accent

#C04EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2F408D

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

Preview Lab → · Contrast checker → · Palette generator →