#2A3F8E#2A3F8E

#2A3F8E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.133 H 268.5°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F8E
RGB	rgb(42, 63, 142)
HSL	hsl(227, 54%, 36%)
HSV	hsv(227, 70%, 56%)
CMYK	cmyk(70.4%, 55.6%, 0%, 44.3%)
CIE-LAB	lab(29.41, 19.79, -46.33)
CIE-LCH	lch(29.41, 50.38, 293.14°)
OKLab	oklab(39.89% -0.0035 -0.1333)
OKLCH	oklch(39.89% 0.133 268.5)
XYZ	xyz(7.6132, 5.9995, 26.3427)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F8E #8E792A

analogous

#2A718E #2A3F8E #472A8E

triadic

#2A3F8E #8E2A3F #3F8E2A

tetradic

#2A3F8E #8E2A71 #8E792A #2A8E47

square

#2A3F8E #8E2A71 #8E792A #2A8E47

split-complementary

#2A3F8E #8E472A #718E2A

monochromatic

#0E1530 #1C2A5F #2A3F8E #3854BD #6279D1

Accessibility & contrast

On white

9.55

#2A3F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2A3F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F8E

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F8E	#FFFFFF	#000000	##FFFFFF
##2A3F8E	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014A91

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3f8e;
/* rgb */ color: rgb(42, 63, 142);
/* oklch */ color: oklch(39.9% 0.133 268.5);

Tailwind

colors: {
  custom: {
    50: '#7173b0',
    500: '#2a3f8e',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f8e;
$custom-light: #7173b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f8e",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 142
  },
  "hsl": {
    "h": 227.4,
    "s": 54.348,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39886,
    "c": 0.13332,
    "h": 268.5
  },
  "luminance": 0.06
}

Semantic roles & 50–950 ramp

primary

#2A3F8E

secondary

#B6A45D

accent

#BF4ADE

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A3F8E

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

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