#2B387C#2B387C

#2B387C is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.116 H 271.5°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#2B387C
RGB	rgb(43, 56, 124)
HSL	hsl(230, 49%, 33%)
HSV	hsv(230, 65%, 49%)
CMYK	cmyk(65.3%, 54.8%, 0%, 51.4%)
CIE-LAB	lab(26.15, 17.94, -40.40)
CIE-LCH	lch(26.15, 44.20, 293.94°)
OKLab	oklab(37.02% 0.003 -0.1159)
OKLCH	oklch(37.02% 0.116 271.5)
XYZ	xyz(6.0473, 4.7967, 19.6720)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B387C #7C6F2B

analogous

#2B617C #2B387C #462B7C

triadic

#2B387C #7C2B38 #387C2B

tetradic

#2B387C #7C2B61 #7C6F2B #2B7C46

square

#2B387C #7C2B61 #7C6F2B #2B7C46

split-complementary

#2B387C #7C462B #617C2B

monochromatic

#0B0F21 #1B234F #2B387C #3B4DA9 #5B6CC6

Accessibility & contrast

On white

10.72

#2B387C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B387C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B387C

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B387C	#FFFFFF	#000000	##FFFFFF
##2B387C	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D427E

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b387c;
/* rgb */ color: rgb(43, 56, 124);
/* oklch */ color: oklch(37.0% 0.116 271.5);

Tailwind

colors: {
  custom: {
    50: '#6e6ea2',
    500: '#2b387c',
    950: '#000000',
  },
}

SCSS

$custom: #2b387c;
$custom-light: #6e6ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b387c",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 124
  },
  "hsl": {
    "h": 230.37,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37015,
    "c": 0.11593,
    "h": 271.5
  },
  "luminance": 0.04797
}

Semantic roles & 50–950 ramp

primary

#2B387C

secondary

#AC9E57

accent

#C250D8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B387C

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

Preview Lab → · Contrast checker → · Palette generator →