#2B4589#2B4589

#2B4589 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.9% C 0.118 H 265.7°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B4589
RGB	rgb(43, 69, 137)
HSL	hsl(223, 52%, 35%)
HSV	hsv(223, 69%, 54%)
CMYK	cmyk(68.6%, 49.6%, 0%, 46.3%)
CIE-LAB	lab(30.82, 13.96, -40.97)
CIE-LCH	lch(30.82, 43.28, 288.82°)
OKLab	oklab(40.85% -0.0088 -0.1174)
OKLCH	oklch(40.85% 0.118 265.7)
XYZ	xyz(7.6382, 6.5752, 24.5287)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4589 #896F2B

analogous

#2B7489 #2B4589 #402B89

triadic

#2B4589 #892B45 #45892B

tetradic

#2B4589 #892B74 #896F2B #2B8940

square

#2B4589 #892B74 #896F2B #2B8940

split-complementary

#2B4589 #89402B #74892B

monochromatic

#0E162C #1C2E5A #2B4589 #3A5CB8 #617FCD

Accessibility & contrast

On white

9.07

#2B4589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2B4589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4589

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4589	#FFFFFF	#000000	##FFFFFF
##2B4589	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214D8B

Deuteranopia (green-blind)

#0A4488

Tritanopia (blue-blind)

#005560

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b4589;
/* rgb */ color: rgb(43, 69, 137);
/* oklch */ color: oklch(40.9% 0.118 265.7);

Tailwind

colors: {
  custom: {
    50: '#7078ac',
    500: '#2b4589',
    950: '#000000',
  },
}

SCSS

$custom: #2b4589;
$custom-light: #7078ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4589",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 137
  },
  "hsl": {
    "h": 223.404,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40854,
    "c": 0.11771,
    "h": 265.7
  },
  "luminance": 0.06576
}

Semantic roles & 50–950 ramp

primary

#2B4589

secondary

#B39B5C

accent

#B44CDC

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B4589

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

Preview Lab → · Contrast checker → · Palette generator →