#2A3C8F#2A3C8F

#2A3C8F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.139 H 269.7°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C8F
RGB	rgb(42, 60, 143)
HSL	hsl(229, 55%, 36%)
HSV	hsv(229, 71%, 56%)
CMYK	cmyk(70.6%, 58%, 0%, 43.9%)
CIE-LAB	lab(28.66, 22.22, -48.16)
CIE-LCH	lch(28.66, 53.04, 294.76°)
OKLab	oklab(39.35% -0.0008 -0.1387)
OKLCH	oklch(39.35% 0.139 269.7)
XYZ	xyz(7.5269, 5.7064, 26.6860)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C8F #8F7D2A

analogous

#2A6F8F #2A3C8F #4B2A8F

triadic

#2A3C8F #8F2A3C #3C8F2A

tetradic

#2A3C8F #8F2A6F #8F7D2A #2A8F4B

square

#2A3C8F #8F2A6F #8F7D2A #2A8F4B

split-complementary

#2A3C8F #8F4B2A #6F8F2A

monochromatic

#0E1430 #1C2860 #2A3C8F #3850BE #6276D1

Accessibility & contrast

On white

9.81

#2A3C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A3C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C8F

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C8F	#FFFFFF	#000000	##FFFFFF
##2A3C8F	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004892

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3c8f;
/* rgb */ color: rgb(42, 60, 143);
/* oklch */ color: oklch(39.3% 0.139 269.7);

Tailwind

colors: {
  custom: {
    50: '#7171b0',
    500: '#2a3c8f',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c8f;
$custom-light: #7171b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c8f",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 229.307,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39346,
    "c": 0.13871,
    "h": 269.7
  },
  "luminance": 0.05707
}

Semantic roles & 50–950 ramp

primary

#2A3C8F

secondary

#B7A75E

accent

#C44ADE

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3C8F

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

Preview Lab → · Contrast checker → · Palette generator →