#2B4F87#2B4F87

#2B4F87 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.0% C 0.102 H 258.9°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F87
RGB	rgb(43, 79, 135)
HSL	hsl(217, 52%, 35%)
HSV	hsv(217, 68%, 53%)
CMYK	cmyk(68.1%, 41.5%, 0%, 47.1%)
CIE-LAB	lab(33.68, 6.48, -35.17)
CIE-LCH	lch(33.68, 35.76, 280.45°)
OKLab	oklab(43.01% -0.0196 -0.1002)
OKLCH	oklch(43.01% 0.102 258.9)
XYZ	xyz(8.1639, 7.8540, 24.0027)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F87 #87632B

analogous

#2B7D87 #2B4F87 #352B87

triadic

#2B4F87 #872B4F #4F872B

tetradic

#2B4F87 #872B7D #87632B #2B8735

square

#2B4F87 #872B7D #87632B #2B8735

split-complementary

#2B4F87 #87352B #7D872B

monochromatic

#0D192A #1C3459 #2B4F87 #3A6AB5 #608ACC

Accessibility & contrast

On white

8.17

#2B4F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2B4F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F87

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F87	#FFFFFF	#000000	##FFFFFF
##2B4F87	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365489

Deuteranopia (green-blind)

#284B86

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4f87;
/* rgb */ color: rgb(43, 79, 135);
/* oklch */ color: oklch(43.0% 0.102 258.9);

Tailwind

colors: {
  custom: {
    50: '#6f7faa',
    500: '#2b4f87',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f87;
$custom-light: #6f7faa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f87",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 135
  },
  "hsl": {
    "h": 216.522,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.43012,
    "c": 0.10207,
    "h": 258.9
  },
  "luminance": 0.07855
}

Semantic roles & 50–950 ramp

primary

#2B4F87

secondary

#B2905B

accent

#A34DDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2B4F87

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

Preview Lab → · Contrast checker → · Palette generator →