#2B3A84#2B3A84

#2B3A84 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.125 H 270.7°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A84
RGB	rgb(43, 58, 132)
HSL	hsl(230, 51%, 34%)
HSV	hsv(230, 67%, 52%)
CMYK	cmyk(67.4%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(27.31, 19.58, -43.53)
CIE-LCH	lch(27.31, 47.73, 294.22°)
OKLab	oklab(38.08% 0.0015 -0.1251)
OKLCH	oklch(38.08% 0.125 270.7)
XYZ	xyz(6.6728, 5.2050, 22.4783)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A84 #84752B

analogous

#2B6784 #2B3A84 #492B84

triadic

#2B3A84 #842B3A #3A842B

tetradic

#2B3A84 #842B67 #84752B #2B8449

square

#2B3A84 #842B67 #84752B #2B8449

split-complementary

#2B3A84 #84492B #67842B

monochromatic

#0D1128 #1C2656 #2B3A84 #3A4EB2 #5F71CB

Accessibility & contrast

On white

10.29

#2B3A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2B3A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A84

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A84	#FFFFFF	#000000	##FFFFFF
##2B3A84	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034587

Deuteranopia (green-blind)

#003D82

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3a84;
/* rgb */ color: rgb(43, 58, 132);
/* oklch */ color: oklch(38.1% 0.125 270.7);

Tailwind

colors: {
  custom: {
    50: '#6f6fa8',
    500: '#2b3a84',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a84;
$custom-light: #6f6fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a84",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 229.888,
    "s": 50.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38082,
    "c": 0.12509,
    "h": 270.7
  },
  "luminance": 0.05206
}

Semantic roles & 50–950 ramp

primary

#2B3A84

secondary

#B1A25A

accent

#C34DDA

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3A84

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

Preview Lab → · Contrast checker → · Palette generator →