#3B4E8B#3B4E8B

#3B4E8B is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.9% C 0.103 H 268.9°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E8B
RGB	rgb(59, 78, 139)
HSL	hsl(226, 40%, 39%)
HSV	hsv(226, 58%, 55%)
CMYK	cmyk(57.6%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(34.48, 11.87, -36.29)
CIE-LCH	lch(34.48, 38.18, 288.11°)
OKLab	oklab(43.94% -0.0021 -0.1032)
OKLCH	oklch(43.94% 0.103 268.9)
XYZ	xyz(9.1867, 8.2420, 25.5278)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E8B #8B783B

analogous

#3B768B #3B4E8B #503B8B

triadic

#3B4E8B #8B3B4E #4E8B3B

tetradic

#3B4E8B #8B3B76 #8B783B #3B8B50

square

#3B4E8B #8B3B76 #8B783B #3B8B50

split-complementary

#3B4E8B #8B503B #768B3B

monochromatic

#171E35 #293660 #3B4E8B #4F67B4 #7A8CC7

Accessibility & contrast

On white

7.93

#3B4E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3B4E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E8B

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E8B	#FFFFFF	#000000	##FFFFFF
##3B4E8B	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34558D

Deuteranopia (green-blind)

#2A4E8A

Tritanopia (blue-blind)

#0A5B65

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3b4e8b;
/* rgb */ color: rgb(59, 78, 139);
/* oklch */ color: oklch(43.9% 0.103 268.9);

Tailwind

colors: {
  custom: {
    50: '#777fad',
    500: '#3b4e8b',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e8b;
$custom-light: #777fad;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e8b",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 225.75,
    "s": 40.404,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43943,
    "c": 0.10318,
    "h": 268.9
  },
  "luminance": 0.08243
}

Semantic roles & 50–950 ramp

primary

#3B4E8B

secondary

#B0A172

accent

#B458D0

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #3B4E8B

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

Preview Lab → · Contrast checker → · Palette generator →