#2B3988#2B3988

#2B3988 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.132 H 271.2°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#2B3988
RGB	rgb(43, 57, 136)
HSL	hsl(231, 52%, 35%)
HSV	hsv(231, 68%, 53%)
CMYK	cmyk(68.4%, 58.1%, 0%, 46.7%)
CIE-LAB	lab(27.34, 21.77, -45.97)
CIE-LCH	lch(27.34, 50.86, 295.34°)
OKLab	oklab(38.2% 0.0027 -0.1323)
OKLCH	oklch(38.2% 0.132 271.2)
XYZ	xyz(6.9018, 5.2168, 23.9310)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3988 #887A2B

analogous

#2B6788 #2B3988 #4C2B88

triadic

#2B3988 #882B39 #39882B

tetradic

#2B3988 #882B67 #887A2B #2B884C

square

#2B3988 #882B67 #887A2B #2B884C

split-complementary

#2B3988 #884C2B #67882B

monochromatic

#0E122B #1C265A #2B3988 #3A4CB6 #6171CD

Accessibility & contrast

On white

10.28

#2B3988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2B3988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3988

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3988	#FFFFFF	#000000	##FFFFFF
##2B3988	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b3988;
/* rgb */ color: rgb(43, 57, 136);
/* oklch */ color: oklch(38.2% 0.132 271.2);

Tailwind

colors: {
  custom: {
    50: '#706fab',
    500: '#2b3988',
    950: '#000000',
  },
}

SCSS

$custom: #2b3988;
$custom-light: #706fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3988",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 136
  },
  "hsl": {
    "h": 230.968,
    "s": 51.955,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38204,
    "c": 0.13229,
    "h": 271.2
  },
  "luminance": 0.05217
}

Semantic roles & 50–950 ramp

primary

#2B3988

secondary

#B3A65C

accent

#C64CDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3988

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

Preview Lab → · Contrast checker → · Palette generator →