#2B4F89#2B4F89

#2B4F89 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.1% C 0.105 H 259.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F89
RGB	rgb(43, 79, 137)
HSL	hsl(217, 52%, 35%)
HSV	hsv(217, 69%, 54%)
CMYK	cmyk(68.6%, 42.3%, 0%, 46.3%)
CIE-LAB	lab(33.80, 7.24, -36.20)
CIE-LCH	lch(33.80, 36.92, 281.31°)
OKLab	oklab(43.14% -0.0191 -0.1032)
OKLCH	oklch(43.14% 0.105 259.5)
XYZ	xyz(8.3060, 7.9109, 24.7513)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F89 #89652B

analogous

#2B7E89 #2B4F89 #362B89

triadic

#2B4F89 #892B4F #4F892B

tetradic

#2B4F89 #892B7E #89652B #2B8936

square

#2B4F89 #892B7E #89652B #2B8936

split-complementary

#2B4F89 #89362B #7E892B

monochromatic

#0E192C #1C345A #2B4F89 #3A6AB8 #618BCD

Accessibility & contrast

On white

8.13

#2B4F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2B4F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F89

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F89	#FFFFFF	#000000	##FFFFFF
##2B4F89	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34548B

Deuteranopia (green-blind)

#264B88

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4f89;
/* rgb */ color: rgb(43, 79, 137);
/* oklch */ color: oklch(43.1% 0.105 259.5);

Tailwind

colors: {
  custom: {
    50: '#6f7fac',
    500: '#2b4f89',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f89;
$custom-light: #6f7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f89",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 137
  },
  "hsl": {
    "h": 217.021,
    "s": 52.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43143,
    "c": 0.10497,
    "h": 259.5
  },
  "luminance": 0.07912
}

Semantic roles & 50–950 ramp

primary

#2B4F89

secondary

#B3925C

accent

#A54CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4F89

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

Preview Lab → · Contrast checker → · Palette generator →