#2B3B89#2B3B89

#2B3B89 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.131 H 270.4°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B3B89
RGB	rgb(43, 59, 137)
HSL	hsl(230, 52%, 35%)
HSV	hsv(230, 69%, 54%)
CMYK	cmyk(68.6%, 56.9%, 0%, 46.3%)
CIE-LAB	lab(27.97, 20.79, -45.57)
CIE-LCH	lch(27.97, 50.08, 294.52°)
OKLab	oklab(38.7% 0.0009 -0.1311)
OKLCH	oklch(38.7% 0.131 270.4)
XYZ	xyz(7.0741, 5.4470, 24.3406)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3B89 #89792B

analogous

#2B6A89 #2B3B89 #4A2B89

triadic

#2B3B89 #892B3B #3B892B

tetradic

#2B3B89 #892B6A #89792B #2B894A

square

#2B3B89 #892B6A #89792B #2B894A

split-complementary

#2B3B89 #894A2B #6A892B

monochromatic

#0E132C #1C275A #2B3B89 #3A4FB8 #6173CD

Accessibility & contrast

On white

10.05

#2B3B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2B3B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3B89

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3B89	#FFFFFF	#000000	##FFFFFF
##2B3B89	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468C

Deuteranopia (green-blind)

#003E87

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b3b89;
/* rgb */ color: rgb(43, 59, 137);
/* oklch */ color: oklch(38.7% 0.131 270.4);

Tailwind

colors: {
  custom: {
    50: '#7070ac',
    500: '#2b3b89',
    950: '#000000',
  },
}

SCSS

$custom: #2b3b89;
$custom-light: #7070ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3b89",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 137
  },
  "hsl": {
    "h": 229.787,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.38699,
    "c": 0.13107,
    "h": 270.4
  },
  "luminance": 0.05448
}

Semantic roles & 50–950 ramp

primary

#2B3B89

secondary

#B3A55C

accent

#C34CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3B89

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

Preview Lab → · Contrast checker → · Palette generator →