#3A4E8B#3A4E8B

#3A4E8B is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.9% C 0.104 H 268.3°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3A4E8B
RGB	rgb(58, 78, 139)
HSL	hsl(225, 41%, 39%)
HSV	hsv(225, 58%, 55%)
CMYK	cmyk(58.3%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(34.42, 11.64, -36.39)
CIE-LCH	lch(34.42, 38.21, 287.75°)
OKLab	oklab(43.88% -0.0031 -0.1035)
OKLCH	oklch(43.88% 0.104 268.3)
XYZ	xyz(9.1280, 8.2117, 25.5251)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4E8B #8B773A

analogous

#3A768B #3A4E8B #4E3A8B

triadic

#3A4E8B #8B3A4E #4E8B3A

tetradic

#3A4E8B #8B3A76 #8B773A #3A8B4E

square

#3A4E8B #8B3A76 #8B773A #3A8B4E

split-complementary

#3A4E8B #8B4E3A #768B3A

monochromatic

#161E35 #283660 #3A4E8B #4D67B5 #798CC7

Accessibility & contrast

On white

7.95

#3A4E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3A4E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4E8B

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4E8B	#FFFFFF	#000000	##FFFFFF
##3A4E8B	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34558D

Deuteranopia (green-blind)

#294E8A

Tritanopia (blue-blind)

#045B65

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a4e8b;
/* rgb */ color: rgb(58, 78, 139);
/* oklch */ color: oklch(43.9% 0.104 268.3);

Tailwind

colors: {
  custom: {
    50: '#777fad',
    500: '#3a4e8b',
    950: '#000000',
  },
}

SCSS

$custom: #3a4e8b;
$custom-light: #777fad;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4e8b",
  "rgb": {
    "r": 58,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 225.185,
    "s": 41.117,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43879,
    "c": 0.10353,
    "h": 268.3
  },
  "luminance": 0.08212
}

Semantic roles & 50–950 ramp

primary

#3A4E8B

secondary

#B0A171

accent

#B357D1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #3A4E8B

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

Preview Lab → · Contrast checker → · Palette generator →