#2B3F80#2B3F80

#2B3F80 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.9% C 0.112 H 268.0°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B3F80
RGB	rgb(43, 63, 128)
HSL	hsl(226, 50%, 34%)
HSV	hsv(226, 66%, 50%)
CMYK	cmyk(66.4%, 50.8%, 0%, 49.8%)
CIE-LAB	lab(28.45, 14.63, -39.19)
CIE-LCH	lch(28.45, 41.84, 290.47°)
OKLab	oklab(38.85% -0.0039 -0.1122)
OKLCH	oklch(38.85% 0.112 268)
XYZ	xyz(6.6687, 5.6265, 21.1525)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3F80 #806C2B

analogous

#2B6980 #2B3F80 #412B80

triadic

#2B3F80 #802B3F #3F802B

tetradic

#2B3F80 #802B69 #806C2B #2B8041

square

#2B3F80 #802B69 #806C2B #2B8041

split-complementary

#2B3F80 #80412B #69802B

monochromatic

#0C1224 #1C2852 #2B3F80 #3A56AE #5D76C9

Accessibility & contrast

On white

9.88

#2B3F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2B3F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3F80

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3F80	#FFFFFF	#000000	##FFFFFF
##2B3F80	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4782

Deuteranopia (green-blind)

#083F7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3f80;
/* rgb */ color: rgb(43, 63, 128);
/* oklch */ color: oklch(38.9% 0.112 268.0);

Tailwind

colors: {
  custom: {
    50: '#6e73a5',
    500: '#2b3f80',
    950: '#000000',
  },
}

SCSS

$custom: #2b3f80;
$custom-light: #6e73a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3f80",
  "rgb": {
    "r": 43,
    "g": 63,
    "b": 128
  },
  "hsl": {
    "h": 225.882,
    "s": 49.708,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3885,
    "c": 0.11232,
    "h": 268
  },
  "luminance": 0.05627
}

Semantic roles & 50–950 ramp

primary

#2B3F80

secondary

#AE9A58

accent

#B94FD9

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B3F80

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

Preview Lab → · Contrast checker → · Palette generator →