#2B3F76#2B3F76

#2B3F76 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.1% C 0.097 H 266.8°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#2B3F76
RGB	rgb(43, 63, 118)
HSL	hsl(224, 47%, 32%)
HSV	hsv(224, 64%, 46%)
CMYK	cmyk(63.6%, 46.6%, 0%, 53.7%)
CIE-LAB	lab(27.78, 10.85, -33.99)
CIE-LCH	lch(27.78, 35.68, 287.70°)
OKLab	oklab(38.12% -0.0055 -0.0969)
OKLCH	oklch(38.12% 0.097 266.8)
XYZ	xyz(6.0427, 5.3761, 17.8553)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3F76 #76622B

analogous

#2B6576 #2B3F76 #3D2B76

triadic

#2B3F76 #762B3F #3F762B

tetradic

#2B3F76 #762B65 #76622B #2B763D

square

#2B3F76 #762B65 #76622B #2B763D

split-complementary

#2B3F76 #763D2B #65762B

monochromatic

#0A0F1C #1B2749 #2B3F76 #3B57A3 #5975C2

Accessibility & contrast

On white

10.12

#2B3F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B3F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3F76

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3F76	#FFFFFF	#000000	##FFFFFF
##2B3F76	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254578

Deuteranopia (green-blind)

#1A3E75

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b3f76;
/* rgb */ color: rgb(43, 63, 118);
/* oklch */ color: oklch(38.1% 0.097 266.8);

Tailwind

colors: {
  custom: {
    50: '#6c739e',
    500: '#2b3f76',
    950: '#000000',
  },
}

SCSS

$custom: #2b3f76;
$custom-light: #6c739e;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3f76",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 118
  },
  "hsl": {
    "h": 224,
    "s": 46.584,
    "l": 31.569
  },
  "oklch": {
    "l": 0.38123,
    "c": 0.0971,
    "h": 266.8
  },
  "luminance": 0.05377
}

Semantic roles & 50–950 ramp

primary

#2B3F76

secondary

#A89255

accent

#B352D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2B3F76

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

Preview Lab → · Contrast checker → · Palette generator →