#2F387A#2F387A

#2F387A is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.112 H 273.8°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F387A
RGB	rgb(47, 56, 122)
HSL	hsl(233, 44%, 33%)
HSV	hsv(233, 61%, 48%)
CMYK	cmyk(61.5%, 54.1%, 0%, 52.2%)
CIE-LAB	lab(26.27, 17.98, -38.93)
CIE-LCH	lch(26.27, 42.88, 294.79°)
OKLab	oklab(37.13% 0.0075 -0.1115)
OKLCH	oklch(37.13% 0.112 273.8)
XYZ	xyz(6.0982, 4.8374, 19.0209)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F387A #7A712F

analogous

#2F5D7A #2F387A #4B2F7A

triadic

#2F387A #7A2F38 #387A2F

tetradic

#2F387A #7A2F5D #7A712F #2F7A4B

square

#2F387A #7A2F5D #7A712F #2F7A4B

split-complementary

#2F387A #7A4B2F #5D7A2F

monochromatic

#0D0F22 #1E244E #2F387A #404CA6 #616DC2

Accessibility & contrast

On white

10.67

#2F387A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2F387A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F387A

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F387A	#FFFFFF	#000000	##FFFFFF
##2F387A	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)

#12417C

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f387a;
/* rgb */ color: rgb(47, 56, 122);
/* oklch */ color: oklch(37.1% 0.112 273.8);

Tailwind

colors: {
  custom: {
    50: '#6f6ea1',
    500: '#2f387a',
    950: '#000000',
  },
}

SCSS

$custom: #2f387a;
$custom-light: #6f6ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f387a",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 122
  },
  "hsl": {
    "h": 232.8,
    "s": 44.379,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37128,
    "c": 0.11172,
    "h": 273.8
  },
  "luminance": 0.04838
}

Semantic roles & 50–950 ramp

primary

#2F387A

secondary

#A9A05C

accent

#C554D4

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2F387A

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

Preview Lab → · Contrast checker → · Palette generator →