#2B357B#2B357B

#2B357B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.3% C 0.119 H 272.9°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#2B357B
RGB	rgb(43, 53, 123)
HSL	hsl(233, 48%, 33%)
HSV	hsv(233, 65%, 48%)
CMYK	cmyk(65%, 56.9%, 0%, 51.8%)
CIE-LAB	lab(25.23, 19.63, -41.25)
CIE-LCH	lch(25.23, 45.69, 295.45°)
OKLab	oklab(36.3% 0.006 -0.1184)
OKLCH	oklch(36.3% 0.119 272.9)
XYZ	xyz(5.8433, 4.4894, 19.2937)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B357B #7B712B

analogous

#2B5D7B #2B357B #492B7B

triadic

#2B357B #7B2B35 #357B2B

tetradic

#2B357B #7B2B5D #7B712B #2B7B49

square

#2B357B #7B2B5D #7B712B #2B7B49

split-complementary

#2B357B #7B492B #5D7B2B

monochromatic

#0B0E20 #1B214E #2B357B #3B49A8 #5B68C6

Accessibility & contrast

On white

11.06

#2B357B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2B357B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B357B

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B357B	#FFFFFF	#000000	##FFFFFF
##2B357B	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023F7D

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b357b;
/* rgb */ color: rgb(43, 53, 123);
/* oklch */ color: oklch(36.3% 0.119 272.9);

Tailwind

colors: {
  custom: {
    50: '#6e6ca2',
    500: '#2b357b',
    950: '#000000',
  },
}

SCSS

$custom: #2b357b;
$custom-light: #6e6ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b357b",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 123
  },
  "hsl": {
    "h": 232.5,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.363,
    "c": 0.1186,
    "h": 272.9
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#2B357B

secondary

#ABA156

accent

#C750D8

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #2B357B

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

Preview Lab → · Contrast checker → · Palette generator →