#2B4083#2B4083

#2B4083 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.3% C 0.115 H 267.7°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2B4083
RGB	rgb(43, 64, 131)
HSL	hsl(226, 51%, 34%)
HSV	hsv(226, 67%, 51%)
CMYK	cmyk(67.2%, 51.1%, 0%, 48.6%)
CIE-LAB	lab(28.95, 15.08, -40.26)
CIE-LCH	lch(28.95, 42.99, 290.54°)
OKLab	oklab(39.3% -0.0046 -0.1154)
OKLCH	oklch(39.3% 0.115 267.7)
XYZ	xyz(6.9250, 5.8184, 22.2265)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4083 #836E2B

analogous

#2B6C83 #2B4083 #422B83

triadic

#2B4083 #832B40 #40832B

tetradic

#2B4083 #832B6C #836E2B #2B8342

square

#2B4083 #832B6C #836E2B #2B8342

split-complementary

#2B4083 #83422B #6C832B

monochromatic

#0D1327 #1C2955 #2B4083 #3A57B1 #5E78CA

Accessibility & contrast

On white

9.71

#2B4083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2B4083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4083

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4083	#FFFFFF	#000000	##FFFFFF
##2B4083	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4885

Deuteranopia (green-blind)

#044082

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b4083;
/* rgb */ color: rgb(43, 64, 131);
/* oklch */ color: oklch(39.3% 0.115 267.7);

Tailwind

colors: {
  custom: {
    50: '#6f74a7',
    500: '#2b4083',
    950: '#000000',
  },
}

SCSS

$custom: #2b4083;
$custom-light: #6f74a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4083",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 131
  },
  "hsl": {
    "h": 225.682,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39297,
    "c": 0.11547,
    "h": 267.7
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#2B4083

secondary

#B09B5A

accent

#B94EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B4083

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

Preview Lab → · Contrast checker → · Palette generator →