#2B305A#2B305A

#2B305A is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.7% C 0.074 H 276.4°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#2B305A
RGB	rgb(43, 48, 90)
HSL	hsl(234, 35%, 26%)
HSV	hsv(234, 52%, 35%)
CMYK	cmyk(52.2%, 46.7%, 0%, 64.7%)
CIE-LAB	lab(21.45, 11.00, -26.01)
CIE-LCH	lch(21.45, 28.24, 292.92°)
OKLab	oklab(32.7% 0.0082 -0.0737)
OKLCH	oklch(32.7% 0.074 276.4)
XYZ	xyz(3.8981, 3.3655, 10.1151)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B305A #5A552B

analogous

#2B475A #2B305A #3D2B5A

triadic

#2B305A #5A2B30 #305A2B

tetradic

#2B305A #5A2B47 #5A552B #2B5A3D

square

#2B305A #5A2B47 #5A552B #2B5A3D

split-complementary

#2B305A #5A3D2B #475A2B

monochromatic

#0A0B15 #171A31 #2B305A #3F4683 #535CAD

Accessibility & contrast

On white

12.55

#2B305A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2B305A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B305A

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B305A	#FFFFFF	#000000	##FFFFFF
##2B305A	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F355C

Deuteranopia (green-blind)

#1B3259

Tritanopia (blue-blind)

#193940

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b305a;
/* rgb */ color: rgb(43, 48, 90);
/* oklch */ color: oklch(32.7% 0.074 276.4);

Tailwind

colors: {
  custom: {
    50: '#686889',
    500: '#2b305a',
    950: '#000000',
  },
}

SCSS

$custom: #2b305a;
$custom-light: #686889;
$custom-dark: #000000;

JSON

{
  "hex": "#2b305a",
  "rgb": {
    "r": 43,
    "g": 48,
    "b": 90
  },
  "hsl": {
    "h": 233.617,
    "s": 35.338,
    "l": 26.078
  },
  "oklch": {
    "l": 0.32702,
    "c": 0.07416,
    "h": 276.4
  },
  "luminance": 0.03366
}

Semantic roles & 50–950 ramp

primary

#2B305A

secondary

#8C8655

accent

#C05CCB

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060B

muted

#7A7A7C

Preview Lab

Preview with #2B305A

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

Preview Lab → · Contrast checker → · Palette generator →