#3A438F#3A438F

#3A438F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.125 H 274.6°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3A438F
RGB	rgb(58, 67, 143)
HSL	hsl(234, 42%, 39%)
HSV	hsv(234, 59%, 56%)
CMYK	cmyk(59.4%, 53.1%, 0%, 43.9%)
CIE-LAB	lab(31.57, 20.37, -43.41)
CIE-LCH	lch(31.57, 47.95, 295.14°)
OKLab	oklab(41.8% 0.01 -0.1242)
OKLCH	oklch(41.8% 0.125 274.6)
XYZ	xyz(8.7084, 6.8964, 26.8535)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A438F #8F863A

analogous

#3A6E8F #3A438F #5C3A8F

triadic

#3A438F #8F3A43 #438F3A

tetradic

#3A438F #8F3A6E #8F863A #3A8F5C

square

#3A438F #8F3A6E #8F863A #3A8F5C

split-complementary

#3A438F #8F5C3A #6E8F3A

monochromatic

#171A38 #282F63 #3A438F #4F5AB7 #7A83C9

Accessibility & contrast

On white

8.83

#3A438F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3A438F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A438F

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A438F	#FFFFFF	#000000	##FFFFFF
##3A438F	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184E92

Deuteranopia (green-blind)

#04478D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a438f;
/* rgb */ color: rgb(58, 67, 143);
/* oklch */ color: oklch(41.8% 0.125 274.6);

Tailwind

colors: {
  custom: {
    50: '#7877b0',
    500: '#3a438f',
    950: '#000000',
  },
}

SCSS

$custom: #3a438f;
$custom-light: #7877b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a438f",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 143
  },
  "hsl": {
    "h": 233.647,
    "s": 42.289,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41795,
    "c": 0.12462,
    "h": 274.6
  },
  "luminance": 0.06897
}

Semantic roles & 50–950 ramp

primary

#3A438F

secondary

#B3AC72

accent

#C556D2

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3A438F

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

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