#2F408C#2F408C

#2F408C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.128 H 270.2°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2F408C
RGB	rgb(47, 64, 140)
HSL	hsl(229, 50%, 37%)
HSV	hsv(229, 66%, 55%)
CMYK	cmyk(66.4%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(29.82, 19.19, -44.42)
CIE-LCH	lch(29.82, 48.39, 293.37°)
OKLab	oklab(40.22% 0.0005 -0.1275)
OKLCH	oklch(40.22% 0.128 270.2)
XYZ	xyz(7.7377, 6.1639, 25.5878)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F408C #8C7B2F

analogous

#2F6F8C #2F408C #4D2F8C

triadic

#2F408C #8C2F40 #408C2F

tetradic

#2F408C #8C2F6F #8C7B2F #2F8C4D

square

#2F408C #8C2F6F #8C7B2F #2F8C4D

split-complementary

#2F408C #8C4D2F #6F8C2F

monochromatic

#101630 #202B5E #2F408C #3E55BA #697BCD

Accessibility & contrast

On white

9.40

#2F408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F408C

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F408C	#FFFFFF	#000000	##FFFFFF
##2F408C	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4B8F

Deuteranopia (green-blind)

#00428A

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f408c;
/* rgb */ color: rgb(47, 64, 140);
/* oklch */ color: oklch(40.2% 0.128 270.2);

Tailwind

colors: {
  custom: {
    50: '#7274ae',
    500: '#2f408c',
    950: '#000000',
  },
}

SCSS

$custom: #2f408c;
$custom-light: #7274ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f408c",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 229.032,
    "s": 49.733,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40224,
    "c": 0.12751,
    "h": 270.2
  },
  "luminance": 0.06165
}

Semantic roles & 50–950 ramp

primary

#2F408C

secondary

#B4A563

accent

#C04FD9

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2F408C

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

Preview Lab → · Contrast checker → · Palette generator →