#2B4875#2B4875

#2B4875 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.2% C 0.084 H 258.9°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B4875
RGB	rgb(43, 72, 117)
HSL	hsl(216, 46%, 31%)
HSV	hsv(216, 63%, 46%)
CMYK	cmyk(63.2%, 38.5%, 0%, 54.1%)
CIE-LAB	lab(30.48, 4.38, -29.07)
CIE-LCH	lch(30.48, 29.40, 278.57°)
OKLab	oklab(40.19% -0.0162 -0.0824)
OKLCH	oklch(40.19% 0.084 258.9)
XYZ	xyz(6.5234, 6.4321, 17.7239)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4875 #75582B

analogous

#2B6D75 #2B4875 #332B75

triadic

#2B4875 #752B48 #48752B

tetradic

#2B4875 #752B6D #75582B #2B7533

square

#2B4875 #752B6D #75582B #2B7533

split-complementary

#2B4875 #75332B #6D752B

monochromatic

#0A111B #1B2C48 #2B4875 #3B64A2 #5982C2

Accessibility & contrast

On white

9.18

#2B4875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2B4875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4875

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4875	#FFFFFF	#000000	##FFFFFF
##2B4875	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354C77

Deuteranopia (green-blind)

#2B4574

Tritanopia (blue-blind)

#005259

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b4875;
/* rgb */ color: rgb(43, 72, 117);
/* oklch */ color: oklch(40.2% 0.084 258.9);

Tailwind

colors: {
  custom: {
    50: '#6c7a9d',
    500: '#2b4875',
    950: '#000000',
  },
}

SCSS

$custom: #2b4875;
$custom-light: #6c7a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4875",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 117
  },
  "hsl": {
    "h": 216.486,
    "s": 46.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40186,
    "c": 0.08399,
    "h": 258.9
  },
  "luminance": 0.06433
}

Semantic roles & 50–950 ramp

primary

#2B4875

secondary

#A78755

accent

#A252D6

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4875

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

Preview Lab → · Contrast checker → · Palette generator →