#2B4871#2B4871

#2B4871 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 39.9% C 0.078 H 257.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B4871
RGB	rgb(43, 72, 113)
HSL	hsl(215, 45%, 31%)
HSV	hsv(215, 62%, 44%)
CMYK	cmyk(61.9%, 36.3%, 0%, 55.7%)
CIE-LAB	lab(30.25, 2.90, -26.90)
CIE-LCH	lch(30.25, 27.06, 276.16°)
OKLab	oklab(39.94% -0.0173 -0.0761)
OKLCH	oklch(39.94% 0.078 257.2)
XYZ	xyz(6.2932, 6.3400, 16.5117)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4871 #71542B

analogous

#2B6B71 #2B4871 #312B71

triadic

#2B4871 #712B48 #48712B

tetradic

#2B4871 #712B6B #71542B #2B7131

square

#2B4871 #712B6B #71542B #2B7131

split-complementary

#2B4871 #71312B #6B712B

monochromatic

#091018 #1A2C45 #2B4871 #3C649D #5782BF

Accessibility & contrast

On white

9.26

#2B4871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B4871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4871

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4871	#FFFFFF	#000000	##FFFFFF
##2B4871	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374B73

Deuteranopia (green-blind)

#2E4470

Tritanopia (blue-blind)

#005157

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4871;
/* rgb */ color: rgb(43, 72, 113);
/* oklch */ color: oklch(39.9% 0.078 257.2);

Tailwind

colors: {
  custom: {
    50: '#6b7a9a',
    500: '#2b4871',
    950: '#000000',
  },
}

SCSS

$custom: #2b4871;
$custom-light: #6b7a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4871",
  "rgb": {
    "r": 43,
    "g": 72,
    "b": 113
  },
  "hsl": {
    "h": 215.143,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3994,
    "c": 0.07804,
    "h": 257.2
  },
  "luminance": 0.06341
}

Semantic roles & 50–950 ramp

primary

#2B4871

secondary

#A38355

accent

#9F53D5

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4871

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

Preview Lab → · Contrast checker → · Palette generator →