#2F338A#2F338A

#2F338A is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.142 H 275.2°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F338A
RGB	rgb(47, 51, 138)
HSL	hsl(237, 49%, 36%)
HSV	hsv(237, 66%, 54%)
CMYK	cmyk(65.9%, 63%, 0%, 45.9%)
CIE-LAB	lab(26.18, 27.21, -49.10)
CIE-LCH	lch(26.18, 56.13, 299.00°)
OKLab	oklab(37.46% 0.0128 -0.1414)
OKLCH	oklch(37.46% 0.142 275.2)
XYZ	xyz(6.9421, 4.8064, 24.6017)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F338A #8A862F

analogous

#2F618A #2F338A #592F8A

triadic

#2F338A #8A2F33 #338A2F

tetradic

#2F338A #8A2F61 #8A862F #2F8A59

square

#2F338A #8A2F61 #8A862F #2F8A59

split-complementary

#2F338A #8A592F #618A2F

monochromatic

#10112F #1F225C #2F338A #3F44B8 #686CCC

Accessibility & contrast

On white

10.71

#2F338A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F338A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F338A

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F338A	#FFFFFF	#000000	##FFFFFF
##2F338A	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f338a;
/* rgb */ color: rgb(47, 51, 138);
/* oklch */ color: oklch(37.5% 0.142 275.2);

Tailwind

colors: {
  custom: {
    50: '#736aad',
    500: '#2f338a',
    950: '#000000',
  },
}

SCSS

$custom: #2f338a;
$custom-light: #736aad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f338a",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 138
  },
  "hsl": {
    "h": 237.363,
    "s": 49.189,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37457,
    "c": 0.142,
    "h": 275.2
  },
  "luminance": 0.04807
}

Semantic roles & 50–950 ramp

primary

#2F338A

secondary

#B3AF62

accent

#D34FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F338A

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

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