#2B3C8B#2B3C8B

#2B3C8B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.133 H 270.0°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B3C8B
RGB	rgb(43, 60, 139)
HSL	hsl(229, 53%, 36%)
HSV	hsv(229, 69%, 55%)
CMYK	cmyk(69.1%, 56.8%, 0%, 45.5%)
CIE-LAB	lab(28.40, 20.86, -46.11)
CIE-LCH	lch(28.40, 50.61, 294.34°)
OKLab	oklab(39.07% 0 -0.1326)
OKLCH	oklch(39.07% 0.133 270)
XYZ	xyz(7.2707, 5.6087, 25.1205)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3C8B #8B7A2B

analogous

#2B6C8B #2B3C8B #4A2B8B

triadic

#2B3C8B #8B2B3C #3C8B2B

tetradic

#2B3C8B #8B2B6C #8B7A2B #2B8B4A

square

#2B3C8B #8B2B6C #8B7A2B #2B8B4A

split-complementary

#2B3C8B #8B4A2B #6C8B2B

monochromatic

#0E142E #1D285C #2B3C8B #3950BA #6275CE

Accessibility & contrast

On white

9.90

#2B3C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B3C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3C8B

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3C8B	#FFFFFF	#000000	##FFFFFF
##2B3C8B	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3c8b;
/* rgb */ color: rgb(43, 60, 139);
/* oklch */ color: oklch(39.1% 0.133 270.0);

Tailwind

colors: {
  custom: {
    50: '#7171ad',
    500: '#2b3c8b',
    950: '#000000',
  },
}

SCSS

$custom: #2b3c8b;
$custom-light: #7171ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3c8b",
  "rgb": {
    "r": 43,
    "g": 60,
    "b": 139
  },
  "hsl": {
    "h": 229.375,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39071,
    "c": 0.13264,
    "h": 270
  },
  "luminance": 0.05609
}

Semantic roles & 50–950 ramp

primary

#2B3C8B

secondary

#B5A55D

accent

#C34CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3C8B

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

Preview Lab → · Contrast checker → · Palette generator →