#2B3487#2B3487

#2B3487 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.138 H 273.0°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B3487
RGB	rgb(43, 52, 135)
HSL	hsl(234, 52%, 35%)
HSV	hsv(234, 68%, 53%)
CMYK	cmyk(68.1%, 61.5%, 0%, 47.1%)
CIE-LAB	lab(25.92, 24.80, -47.66)
CIE-LCH	lch(25.92, 53.73, 297.48°)
OKLab	oklab(37.12% 0.0072 -0.1373)
OKLCH	oklch(37.12% 0.138 273)
XYZ	xyz(6.5960, 4.7183, 23.4801)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3487 #877E2B

analogous

#2B6287 #2B3487 #502B87

triadic

#2B3487 #872B34 #34872B

tetradic

#2B3487 #872B62 #877E2B #2B8750

square

#2B3487 #872B62 #877E2B #2B8750

split-complementary

#2B3487 #87502B #62872B

monochromatic

#0D102A #1C2259 #2B3487 #3A46B5 #606BCC

Accessibility & contrast

On white

10.80

#2B3487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2B3487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3487

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3487	#FFFFFF	#000000	##FFFFFF
##2B3487	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3487;
/* rgb */ color: rgb(43, 52, 135);
/* oklch */ color: oklch(37.1% 0.138 273.0);

Tailwind

colors: {
  custom: {
    50: '#706bab',
    500: '#2b3487',
    950: '#000000',
  },
}

SCSS

$custom: #2b3487;
$custom-light: #706bab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3487",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 135
  },
  "hsl": {
    "h": 234.13,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37116,
    "c": 0.1375,
    "h": 273
  },
  "luminance": 0.04719
}

Semantic roles & 50–950 ramp

primary

#2B3487

secondary

#B2AA5B

accent

#CD4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2B3487

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

Preview Lab → · Contrast checker → · Palette generator →