#2B3A76#2B3A76

#2B3A76 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.104 H 270.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A76
RGB	rgb(43, 58, 118)
HSL	hsl(228, 47%, 32%)
HSV	hsv(228, 64%, 46%)
CMYK	cmyk(63.6%, 50.8%, 0%, 53.7%)
CIE-LAB	lab(26.29, 14.30, -36.37)
CIE-LCH	lch(26.29, 39.08, 291.46°)
OKLab	oklab(36.99% 0.0002 -0.104)
OKLCH	oklch(36.99% 0.104 270.1)
XYZ	xyz(5.7782, 4.8472, 17.7671)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A76 #76672B

analogous

#2B6076 #2B3A76 #422B76

triadic

#2B3A76 #762B3A #3A762B

tetradic

#2B3A76 #762B60 #76672B #2B7642

square

#2B3A76 #762B60 #76672B #2B7642

split-complementary

#2B3A76 #76422B #60762B

monochromatic

#0A0E1C #1B2449 #2B3A76 #3B50A3 #596EC2

Accessibility & contrast

On white

10.66

#2B3A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B3A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A76

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A76	#FFFFFF	#000000	##FFFFFF
##2B3A76	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4278

Deuteranopia (green-blind)

#0D3B75

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3a76;
/* rgb */ color: rgb(43, 58, 118);
/* oklch */ color: oklch(37.0% 0.104 270.1);

Tailwind

colors: {
  custom: {
    50: '#6c6f9e',
    500: '#2b3a76',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a76;
$custom-light: #6c6f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a76",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 118
  },
  "hsl": {
    "h": 228,
    "s": 46.584,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3699,
    "c": 0.10401,
    "h": 270.1
  },
  "luminance": 0.04848
}

Semantic roles & 50–950 ramp

primary

#2B3A76

secondary

#A89755

accent

#BC52D6

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2B3A76

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

Preview Lab → · Contrast checker → · Palette generator →