#2B4789#2B4789

#2B4789 is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.3% C 0.115 H 264.6°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B4789
RGB	rgb(43, 71, 137)
HSL	hsl(222, 52%, 35%)
HSV	hsv(222, 69%, 54%)
CMYK	cmyk(68.6%, 48.2%, 0%, 46.3%)
CIE-LAB	lab(31.41, 12.60, -40.03)
CIE-LCH	lch(31.41, 41.96, 287.48°)
OKLab	oklab(41.3% -0.0108 -0.1146)
OKLCH	oklch(41.3% 0.115 264.6)
XYZ	xyz(7.7633, 6.8255, 24.5704)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4789 #896D2B

analogous

#2B7689 #2B4789 #3E2B89

triadic

#2B4789 #892B47 #47892B

tetradic

#2B4789 #892B76 #896D2B #2B893E

square

#2B4789 #892B76 #896D2B #2B893E

split-complementary

#2B4789 #893E2B #76892B

monochromatic

#0E172C #1C2F5A #2B4789 #3A5FB8 #6181CD

Accessibility & contrast

On white

8.88

#2B4789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2B4789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4789

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4789	#FFFFFF	#000000	##FFFFFF
##2B4789	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254E8B

Deuteranopia (green-blind)

#124688

Tritanopia (blue-blind)

#005661

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b4789;
/* rgb */ color: rgb(43, 71, 137);
/* oklch */ color: oklch(41.3% 0.115 264.6);

Tailwind

colors: {
  custom: {
    50: '#6f79ac',
    500: '#2b4789',
    950: '#000000',
  },
}

SCSS

$custom: #2b4789;
$custom-light: #6f79ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4789",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 137
  },
  "hsl": {
    "h": 222.128,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41302,
    "c": 0.11509,
    "h": 264.6
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary

#2B4789

secondary

#B39A5C

accent

#B14CDC

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4789

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

Preview Lab → · Contrast checker → · Palette generator →