#2B4271#2B4271

#2B4271 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.5% C 0.085 H 263.2°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B4271
RGB	rgb(43, 66, 113)
HSL	hsl(220, 45%, 31%)
HSV	hsv(220, 62%, 44%)
CMYK	cmyk(61.9%, 41.6%, 0%, 55.7%)
CIE-LAB	lab(28.38, 6.93, -29.86)
CIE-LCH	lch(28.38, 30.66, 283.06°)
OKLab	oklab(38.49% -0.01 -0.0848)
OKLCH	oklch(38.49% 0.085 263.2)
XYZ	xyz(5.9241, 5.6018, 16.3886)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4271 #715A2B

analogous

#2B6571 #2B4271 #372B71

triadic

#2B4271 #712B42 #42712B

tetradic

#2B4271 #712B65 #715A2B #2B7137

square

#2B4271 #712B65 #715A2B #2B7137

split-complementary

#2B4271 #71372B #65712B

monochromatic

#090E18 #1A2845 #2B4271 #3C5C9D #5779BF

Accessibility & contrast

On white

9.90

#2B4271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B4271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4271

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4271	#FFFFFF	#000000	##FFFFFF
##2B4271	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4673

Deuteranopia (green-blind)

#254070

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b4271;
/* rgb */ color: rgb(43, 66, 113);
/* oklch */ color: oklch(38.5% 0.085 263.2);

Tailwind

colors: {
  custom: {
    50: '#6b769a',
    500: '#2b4271',
    950: '#000000',
  },
}

SCSS

$custom: #2b4271;
$custom-light: #6b769a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4271",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 113
  },
  "hsl": {
    "h": 220.286,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.38488,
    "c": 0.0854,
    "h": 263.2
  },
  "luminance": 0.05602
}

Semantic roles & 50–950 ramp

primary

#2B4271

secondary

#A38955

accent

#AA53D5

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2B4271

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

Preview Lab → · Contrast checker → · Palette generator →