#2F387F#2F387F

#2F387F is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.119 H 273.8°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#2F387F
RGB	rgb(47, 56, 127)
HSL	hsl(233, 46%, 34%)
HSV	hsv(233, 63%, 50%)
CMYK	cmyk(63%, 55.9%, 0%, 50.2%)
CIE-LAB	lab(26.63, 19.82, -41.48)
CIE-LCH	lch(26.63, 45.98, 295.54°)
OKLab	oklab(37.52% 0.0078 -0.119)
OKLCH	oklch(37.52% 0.119 273.8)
XYZ	xyz(6.4160, 4.9645, 20.6947)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F387F #7F762F

analogous

#2F607F #2F387F #4E2F7F

triadic

#2F387F #7F2F38 #387F2F

tetradic

#2F387F #7F2F60 #7F762F #2F7F4E

square

#2F387F #7F2F60 #7F762F #2F7F4E

split-complementary

#2F387F #7F4E2F #607F2F

monochromatic

#0E1126 #1E2452 #2F387F #404CAC #636EC5

Accessibility & contrast

On white

10.54

#2F387F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F387F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F387F

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F387F	#FFFFFF	#000000	##FFFFFF
##2F387F	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084381

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f387f;
/* rgb */ color: rgb(47, 56, 127);
/* oklch */ color: oklch(37.5% 0.119 273.8);

Tailwind

colors: {
  custom: {
    50: '#706ea5',
    500: '#2f387f',
    950: '#000000',
  },
}

SCSS

$custom: #2f387f;
$custom-light: #706ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f387f",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 127
  },
  "hsl": {
    "h": 233.25,
    "s": 45.977,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37521,
    "c": 0.11925,
    "h": 273.8
  },
  "luminance": 0.04965
}

Semantic roles & 50–950 ramp

primary

#2F387F

secondary

#ACA35E

accent

#C752D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F387F

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

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