#2B4273#2B4273

#2B4273 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.6% C 0.088 H 263.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B4273
RGB	rgb(43, 66, 115)
HSL	hsl(221, 46%, 31%)
HSV	hsv(221, 63%, 45%)
CMYK	cmyk(62.6%, 42.6%, 0%, 54.9%)
CIE-LAB	lab(28.50, 7.67, -30.94)
CIE-LCH	lch(28.50, 31.88, 283.93°)
OKLab	oklab(38.62% -0.0096 -0.088)
OKLCH	oklch(38.62% 0.088 263.8)
XYZ	xyz(6.0379, 5.6473, 16.9882)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4273 #735C2B

analogous

#2B6673 #2B4273 #382B73

triadic

#2B4273 #732B42 #42732B

tetradic

#2B4273 #732B66 #735C2B #2B7338

square

#2B4273 #732B66 #735C2B #2B7338

split-complementary

#2B4273 #73382B #66732B

monochromatic

#0A0F1A #1A2846 #2B4273 #3C5CA0 #5879C1

Accessibility & contrast

On white

9.86

#2B4273 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2B4273 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4273

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4273	#FFFFFF	#000000	##FFFFFF
##2B4273	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4775

Deuteranopia (green-blind)

#234072

Tritanopia (blue-blind)

#004D55

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b4273;
/* rgb */ color: rgb(43, 66, 115);
/* oklch */ color: oklch(38.6% 0.088 263.8);

Tailwind

colors: {
  custom: {
    50: '#6b769b',
    500: '#2b4273',
    950: '#000000',
  },
}

SCSS

$custom: #2b4273;
$custom-light: #6b769b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4273",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 115
  },
  "hsl": {
    "h": 220.833,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38619,
    "c": 0.08848,
    "h": 263.8
  },
  "luminance": 0.05648
}

Semantic roles & 50–950 ramp

primary

#2B4273

secondary

#A58B55

accent

#AB53D5

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2B4273

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

Preview Lab → · Contrast checker → · Palette generator →