#2A3D8B#2A3D8B

#2A3D8B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.132 H 269.2°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A3D8B
RGB	rgb(42, 61, 139)
HSL	hsl(228, 54%, 35%)
HSV	hsv(228, 70%, 55%)
CMYK	cmyk(69.8%, 56.1%, 0%, 45.5%)
CIE-LAB	lab(28.62, 20.02, -45.75)
CIE-LCH	lch(28.62, 49.94, 293.63°)
OKLab	oklab(39.22% -0.0019 -0.1316)
OKLCH	oklch(39.22% 0.132 269.2)
XYZ	xyz(7.2822, 5.6931, 25.1362)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3D8B #8B782A

analogous

#2A6E8B #2A3D8B #472A8B

triadic

#2A3D8B #8B2A3D #3D8B2A

tetradic

#2A3D8B #8B2A6E #8B782A #2A8B47

square

#2A3D8B #8B2A6E #8B782A #2A8B47

split-complementary

#2A3D8B #8B472A #6E8B2A

monochromatic

#0E142D #1C285C #2A3D8B #3852BA #6076CF

Accessibility & contrast

On white

9.82

#2A3D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A3D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3D8B

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3D8B	#FFFFFF	#000000	##FFFFFF
##2A3D8B	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488E

Deuteranopia (green-blind)

#003F89

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3d8b;
/* rgb */ color: rgb(42, 61, 139);
/* oklch */ color: oklch(39.2% 0.132 269.2);

Tailwind

colors: {
  custom: {
    50: '#7072ad',
    500: '#2a3d8b',
    950: '#000000',
  },
}

SCSS

$custom: #2a3d8b;
$custom-light: #7072ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3d8b",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 139
  },
  "hsl": {
    "h": 228.247,
    "s": 53.591,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39222,
    "c": 0.13161,
    "h": 269.2
  },
  "luminance": 0.05694
}

Semantic roles & 50–950 ramp

primary

#2A3D8B

secondary

#B5A35C

accent

#C04BDD

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3D8B

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

Preview Lab → · Contrast checker → · Palette generator →