#2B3D8B#2B3D8B

#2B3D8B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.131 H 269.6°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D8B
RGB	rgb(43, 61, 139)
HSL	hsl(229, 53%, 36%)
HSV	hsv(229, 69%, 55%)
CMYK	cmyk(69.1%, 56.1%, 0%, 45.5%)
CIE-LAB	lab(28.68, 20.18, -45.66)
CIE-LCH	lch(28.68, 49.92, 293.84°)
OKLab	oklab(39.28% -0.0009 -0.1313)
OKLCH	oklch(39.28% 0.131 269.6)
XYZ	xyz(7.3236, 5.7145, 25.1381)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D8B #8B792B

analogous

#2B6D8B #2B3D8B #492B8B

triadic

#2B3D8B #8B2B3D #3D8B2B

tetradic

#2B3D8B #8B2B6D #8B792B #2B8B49

square

#2B3D8B #8B2B6D #8B792B #2B8B49

split-complementary

#2B3D8B #8B492B #6D8B2B

monochromatic

#0E142E #1D285C #2B3D8B #3952BA #6276CE

Accessibility & contrast

On white

9.80

#2B3D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B3D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D8B

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D8B	#FFFFFF	#000000	##FFFFFF
##2B3D8B	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3d8b;
/* rgb */ color: rgb(43, 61, 139);
/* oklch */ color: oklch(39.3% 0.131 269.6);

Tailwind

colors: {
  custom: {
    50: '#7072ad',
    500: '#2b3d8b',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d8b;
$custom-light: #7072ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d8b",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 139
  },
  "hsl": {
    "h": 228.75,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39279,
    "c": 0.1313,
    "h": 269.6
  },
  "luminance": 0.05715
}

Semantic roles & 50–950 ramp

primary

#2B3D8B

secondary

#B5A45D

accent

#C14CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3D8B

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

Preview Lab → · Contrast checker → · Palette generator →