#2B387D#2B387D

#2B387D is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.117 H 271.5°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#2B387D
RGB	rgb(43, 56, 125)
HSL	hsl(230, 49%, 33%)
HSV	hsv(230, 66%, 49%)
CMYK	cmyk(65.6%, 55.2%, 0%, 51%)
CIE-LAB	lab(26.22, 18.31, -40.91)
CIE-LCH	lch(26.22, 44.82, 294.12°)
OKLab	oklab(37.1% 0.0031 -0.1174)
OKLCH	oklch(37.1% 0.117 271.5)
XYZ	xyz(6.1109, 4.8221, 20.0068)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B387D #7D702B

analogous

#2B617D #2B387D #472B7D

triadic

#2B387D #7D2B38 #387D2B

tetradic

#2B387D #7D2B61 #7D702B #2B7D47

square

#2B387D #7D2B61 #7D702B #2B7D47

split-complementary

#2B387D #7D472B #617D2B

monochromatic

#0C0F22 #1B244F #2B387D #3B4CAB #5C6DC7

Accessibility & contrast

On white

10.69

#2B387D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B387D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B387D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B387D	#FFFFFF	#000000	##FFFFFF
##2B387D	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B427F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b387d;
/* rgb */ color: rgb(43, 56, 125);
/* oklch */ color: oklch(37.1% 0.117 271.5);

Tailwind

colors: {
  custom: {
    50: '#6e6ea3',
    500: '#2b387d',
    950: '#000000',
  },
}

SCSS

$custom: #2b387d;
$custom-light: #6e6ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b387d",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 125
  },
  "hsl": {
    "h": 230.488,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37095,
    "c": 0.11743,
    "h": 271.5
  },
  "luminance": 0.04823
}

Semantic roles & 50–950 ramp

primary

#2B387D

secondary

#AD9F57

accent

#C34FD8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B387D

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

Preview Lab → · Contrast checker → · Palette generator →