#2F3488#2F3488

#2F3488 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.138 H 275.0°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F3488
RGB	rgb(47, 52, 136)
HSL	hsl(237, 49%, 36%)
HSV	hsv(237, 65%, 53%)
CMYK	cmyk(65.4%, 61.8%, 0%, 46.7%)
CIE-LAB	lab(26.27, 25.82, -47.71)
CIE-LCH	lch(26.27, 54.25, 298.42°)
OKLab	oklab(37.47% 0.0119 -0.1373)
OKLCH	oklch(37.47% 0.138 275)
XYZ	xyz(6.8428, 4.8373, 23.8609)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3488 #88832F

analogous

#2F6088 #2F3488 #562F88

triadic

#2F3488 #882F34 #34882F

tetradic

#2F3488 #882F60 #88832F #2F8856

square

#2F3488 #882F60 #88832F #2F8856

split-complementary

#2F3488 #88562F #60882F

monochromatic

#10112D #1F235B #2F3488 #3F45B5 #676DCA

Accessibility & contrast

On white

10.67

#2F3488 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2F3488 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3488

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3488	#FFFFFF	#000000	##FFFFFF
##2F3488	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f3488;
/* rgb */ color: rgb(47, 52, 136);
/* oklch */ color: oklch(37.5% 0.138 275.0);

Tailwind

colors: {
  custom: {
    50: '#726bab',
    500: '#2f3488',
    950: '#000000',
  },
}

SCSS

$custom: #2f3488;
$custom-light: #726bab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3488",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 136
  },
  "hsl": {
    "h": 236.629,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37471,
    "c": 0.13785,
    "h": 275
  },
  "luminance": 0.04838
}

Semantic roles & 50–950 ramp

primary

#2F3488

secondary

#B1AD61

accent

#D150D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F3488

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

Preview Lab → · Contrast checker → · Palette generator →