#2B3D8A#2B3D8A

#2B3D8A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.130 H 269.6°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D8A
RGB	rgb(43, 61, 138)
HSL	hsl(229, 52%, 35%)
HSV	hsv(229, 69%, 54%)
CMYK	cmyk(68.8%, 55.8%, 0%, 45.9%)
CIE-LAB	lab(28.60, 19.80, -45.16)
CIE-LCH	lch(28.60, 49.31, 293.67°)
OKLab	oklab(39.2% -0.001 -0.1298)
OKLCH	oklch(39.2% 0.13 269.6)
XYZ	xyz(7.2509, 5.6854, 24.7551)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D8A #8A782B

analogous

#2B6C8A #2B3D8A #492B8A

triadic

#2B3D8A #8A2B3D #3D8A2B

tetradic

#2B3D8A #8A2B6C #8A782B #2B8A49

square

#2B3D8A #8A2B6C #8A782B #2B8A49

split-complementary

#2B3D8A #8A492B #6C8A2B

monochromatic

#0E142D #1C285B #2B3D8A #3A52B9 #6176CE

Accessibility & contrast

On white

9.83

#2B3D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B3D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D8A

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D8A	#FFFFFF	#000000	##FFFFFF
##2B3D8A	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02488D

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3d8a;
/* rgb */ color: rgb(43, 61, 138);
/* oklch */ color: oklch(39.2% 0.130 269.6);

Tailwind

colors: {
  custom: {
    50: '#7072ad',
    500: '#2b3d8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d8a;
$custom-light: #7072ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d8a",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 138
  },
  "hsl": {
    "h": 228.632,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39198,
    "c": 0.12985,
    "h": 269.6
  },
  "luminance": 0.05686
}

Semantic roles & 50–950 ramp

primary

#2B3D8A

secondary

#B4A35D

accent

#C14CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3D8A

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

Preview Lab → · Contrast checker → · Palette generator →