#2F387C#2F387C

#2F387C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.115 H 273.8°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#2F387C
RGB	rgb(47, 56, 124)
HSL	hsl(233, 45%, 34%)
HSV	hsv(233, 62%, 49%)
CMYK	cmyk(62.1%, 54.8%, 0%, 51.4%)
CIE-LAB	lab(26.41, 18.72, -39.96)
CIE-LCH	lch(26.41, 44.12, 295.10°)
OKLab	oklab(37.28% 0.0076 -0.1145)
OKLCH	oklch(37.28% 0.115 273.8)
XYZ	xyz(6.2234, 4.8874, 19.6803)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F387C #7C732F

analogous

#2F5E7C #2F387C #4C2F7C

triadic

#2F387C #7C2F38 #387C2F

tetradic

#2F387C #7C2F5E #7C732F #2F7C4C

square

#2F387C #7C2F5E #7C732F #2F7C4C

split-complementary

#2F387C #7C4C2F #5E7C2F

monochromatic

#0D1023 #1E2450 #2F387C #404CA8 #626DC3

Accessibility & contrast

On white

10.62

#2F387C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F387C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F387C

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F387C	#FFFFFF	#000000	##FFFFFF
##2F387C	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F427E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f387c;
/* rgb */ color: rgb(47, 56, 124);
/* oklch */ color: oklch(37.3% 0.115 273.8);

Tailwind

colors: {
  custom: {
    50: '#706ea2',
    500: '#2f387c',
    950: '#000000',
  },
}

SCSS

$custom: #2f387c;
$custom-light: #706ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f387c",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 124
  },
  "hsl": {
    "h": 232.987,
    "s": 45.029,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37284,
    "c": 0.11474,
    "h": 273.8
  },
  "luminance": 0.04888
}

Semantic roles & 50–950 ramp

primary

#2F387C

secondary

#AAA15C

accent

#C653D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F387C

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

Preview Lab → · Contrast checker → · Palette generator →