#2B4263#2B4263

#2B4263 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.6% C 0.064 H 257.4°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B4263
RGB	rgb(43, 66, 99)
HSL	hsl(215, 39%, 28%)
HSV	hsv(215, 57%, 39%)
CMYK	cmyk(56.6%, 33.3%, 0%, 61.2%)
CIE-LAB	lab(27.60, 1.82, -22.17)
CIE-LCH	lch(27.60, 22.24, 274.70°)
OKLab	oklab(37.62% -0.0139 -0.0624)
OKLCH	oklch(37.62% 0.064 257.4)
XYZ	xyz(5.1958, 5.3105, 12.5532)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4263 #634C2B

analogous

#2B5E63 #2B4263 #302B63

triadic

#2B4263 #632B42 #42632B

tetradic

#2B4263 #632B5E #634C2B #2B6330

square

#2B4263 #632B5E #634C2B #2B6330

split-complementary

#2B4263 #63302B #5E632B

monochromatic

#090E15 #182638 #2B4263 #3E5E8E #547CB5

Accessibility & contrast

On white

10.18

#2B4263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B4263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4263

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4263	#FFFFFF	#000000	##FFFFFF
##2B4263	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354464

Deuteranopia (green-blind)

#2E3F62

Tritanopia (blue-blind)

#0C494E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b4263;
/* rgb */ color: rgb(43, 66, 99);
/* oklch */ color: oklch(37.6% 0.064 257.4);

Tailwind

colors: {
  custom: {
    50: '#69768f',
    500: '#2b4263',
    950: '#000000',
  },
}

SCSS

$custom: #2b4263;
$custom-light: #69768f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4263",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 99
  },
  "hsl": {
    "h": 215.357,
    "s": 39.437,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37623,
    "c": 0.0639,
    "h": 257.4
  },
  "luminance": 0.05311
}

Semantic roles & 50–950 ramp

primary

#2B4263

secondary

#957B55

accent

#9F58CF

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #2B4263

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

Preview Lab → · Contrast checker → · Palette generator →