#2B4166#2B4166

#2B4166 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.6% C 0.070 H 260.3°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#2B4166
RGB	rgb(43, 65, 102)
HSL	hsl(218, 41%, 28%)
HSV	hsv(218, 58%, 40%)
CMYK	cmyk(57.8%, 36.3%, 0%, 60%)
CIE-LAB	lab(27.44, 3.57, -24.34)
CIE-LCH	lch(27.44, 24.60, 278.35°)
OKLab	oklab(37.55% -0.0117 -0.0687)
OKLCH	oklch(37.55% 0.07 260.3)
XYZ	xyz(5.2840, 5.2531, 13.3033)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4166 #66502B

analogous

#2B5E66 #2B4166 #322B66

triadic

#2B4166 #662B41 #41662B

tetradic

#2B4166 #662B5E #66502B #2B6632

square

#2B4166 #662B5E #66502B #2B6632

split-complementary

#2B4166 #66322B #5E662B

monochromatic

#090E16 #19263B #2B4166 #3D5C91 #5479B7

Accessibility & contrast

On white

10.24

#2B4166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B4166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4166

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4166	#FFFFFF	#000000	##FFFFFF
##2B4166	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324468

Deuteranopia (green-blind)

#2B3E65

Tritanopia (blue-blind)

#08494E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b4166;
/* rgb */ color: rgb(43, 65, 102);
/* oklch */ color: oklch(37.6% 0.070 260.3);

Tailwind

colors: {
  custom: {
    50: '#697592',
    500: '#2b4166',
    950: '#000000',
  },
}

SCSS

$custom: #2b4166;
$custom-light: #697592;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4166",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 102
  },
  "hsl": {
    "h": 217.627,
    "s": 40.69,
    "l": 28.431
  },
  "oklch": {
    "l": 0.37553,
    "c": 0.06968,
    "h": 260.3
  },
  "luminance": 0.05253
}

Semantic roles & 50–950 ramp

primary

#2B4166

secondary

#987F55

accent

#A357D1

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#07080D

muted

#7A7B7D

Preview Lab

Preview with #2B4166

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

Preview Lab → · Contrast checker → · Palette generator →