#2B3E66#2B3E66

#2B3E66 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.073 H 263.9°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E66
RGB	rgb(43, 62, 102)
HSL	hsl(221, 41%, 28%)
HSV	hsv(221, 58%, 40%)
CMYK	cmyk(57.8%, 39.2%, 0%, 60%)
CIE-LAB	lab(26.50, 5.60, -25.83)
CIE-LCH	lch(26.50, 26.43, 282.24°)
OKLab	oklab(36.82% -0.0078 -0.0731)
OKLCH	oklch(36.82% 0.073 263.9)
XYZ	xyz(5.1163, 4.9178, 13.2474)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E66 #66532B

analogous

#2B5B66 #2B3E66 #352B66

triadic

#2B3E66 #662B3E #3E662B

tetradic

#2B3E66 #662B5B #66532B #2B6635

square

#2B3E66 #662B5B #66532B #2B6635

split-complementary

#2B3E66 #66352B #5B662B

monochromatic

#090D16 #19243B #2B3E66 #3D5891 #5474B7

Accessibility & contrast

On white

10.59

#2B3E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2B3E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E66

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E66	#FFFFFF	#000000	##FFFFFF
##2B3E66	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4268

Deuteranopia (green-blind)

#273C65

Tritanopia (blue-blind)

#09474D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3e66;
/* rgb */ color: rgb(43, 62, 102);
/* oklch */ color: oklch(36.8% 0.073 263.9);

Tailwind

colors: {
  custom: {
    50: '#697392',
    500: '#2b3e66',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e66;
$custom-light: #697392;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e66",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 102
  },
  "hsl": {
    "h": 220.678,
    "s": 40.69,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36819,
    "c": 0.07348,
    "h": 263.9
  },
  "luminance": 0.04918
}

Semantic roles & 50–950 ramp

primary

#2B3E66

secondary

#988255

accent

#A957D1

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07080D

muted

#7A7B7D

Preview Lab

Preview with #2B3E66

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

Preview Lab → · Contrast checker → · Palette generator →