#2A3C8E#2A3C8E

#2A3C8E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.137 H 269.6°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C8E
RGB	rgb(42, 60, 142)
HSL	hsl(229, 54%, 36%)
HSV	hsv(229, 70%, 56%)
CMYK	cmyk(70.4%, 57.7%, 0%, 44.3%)
CIE-LAB	lab(28.58, 21.84, -47.67)
CIE-LCH	lch(28.58, 52.44, 294.61°)
OKLab	oklab(39.26% -0.0009 -0.1373)
OKLCH	oklch(39.26% 0.137 269.6)
XYZ	xyz(7.4515, 5.6762, 26.2889)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C8E #8E7C2A

analogous

#2A6E8E #2A3C8E #4A2A8E

triadic

#2A3C8E #8E2A3C #3C8E2A

tetradic

#2A3C8E #8E2A6E #8E7C2A #2A8E4A

square

#2A3C8E #8E2A6E #8E7C2A #2A8E4A

split-complementary

#2A3C8E #8E4A2A #6E8E2A

monochromatic

#0E1430 #1C285F #2A3C8E #3850BD #6276D1

Accessibility & contrast

On white

9.83

#2A3C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A3C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C8E

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C8E	#FFFFFF	#000000	##FFFFFF
##2A3C8E	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)

#004891

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a3c8e;
/* rgb */ color: rgb(42, 60, 142);
/* oklch */ color: oklch(39.3% 0.137 269.6);

Tailwind

colors: {
  custom: {
    50: '#7171b0',
    500: '#2a3c8e',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c8e;
$custom-light: #7171b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c8e",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 229.2,
    "s": 54.348,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39263,
    "c": 0.13727,
    "h": 269.6
  },
  "luminance": 0.05677
}

Semantic roles & 50–950 ramp

primary

#2A3C8E

secondary

#B6A65D

accent

#C34ADE

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2A3C8E

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

Preview Lab → · Contrast checker → · Palette generator →