#2A3F8A#2A3F8A

#2A3F8A is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.127 H 268.3°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F8A
RGB	rgb(42, 63, 138)
HSL	hsl(227, 53%, 35%)
HSV	hsv(227, 70%, 54%)
CMYK	cmyk(69.6%, 54.3%, 0%, 45.9%)
CIE-LAB	lab(29.11, 18.27, -44.34)
CIE-LCH	lch(29.11, 47.96, 292.39°)
OKLab	oklab(39.57% -0.0039 -0.1274)
OKLCH	oklch(39.57% 0.127 268.3)
XYZ	xyz(7.3182, 5.8815, 24.7894)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F8A #8A752A

analogous

#2A6F8A #2A3F8A #452A8A

triadic

#2A3F8A #8A2A3F #3F8A2A

tetradic

#2A3F8A #8A2A6F #8A752A #2A8A45

square

#2A3F8A #8A2A6F #8A752A #2A8A45

split-complementary

#2A3F8A #8A452A #6F8A2A

monochromatic

#0D142C #1C2A5B #2A3F8A #3854B9 #6078CF

Accessibility & contrast

On white

9.65

#2A3F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2A3F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F8A

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F8A	#FFFFFF	#000000	##FFFFFF
##2A3F8A	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C498D

Deuteranopia (green-blind)

#004088

Tritanopia (blue-blind)

#00515E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3f8a;
/* rgb */ color: rgb(42, 63, 138);
/* oklch */ color: oklch(39.6% 0.127 268.3);

Tailwind

colors: {
  custom: {
    50: '#7073ad',
    500: '#2a3f8a',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f8a;
$custom-light: #7073ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f8a",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 226.875,
    "s": 53.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39565,
    "c": 0.12749,
    "h": 268.3
  },
  "luminance": 0.05882
}

Semantic roles & 50–950 ramp

primary

#2A3F8A

secondary

#B4A15B

accent

#BD4BDD

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A3F8A

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

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