#3B4DA5#3B4DA5

#3B4DA5 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.143 H 271.0°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DA5
RGB	rgb(59, 77, 165)
HSL	hsl(230, 47%, 44%)
HSV	hsv(230, 64%, 65%)
CMYK	cmyk(64.2%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(35.89, 21.79, -49.75)
CIE-LCH	lch(35.89, 54.31, 293.65°)
OKLab	oklab(45.56% 0.0025 -0.1427)
OKLCH	oklch(45.56% 0.143 271)
XYZ	xyz(11.2468, 8.9532, 36.7255)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DA5 #A5933B

analogous

#3B82A5 #3B4DA5 #5E3BA5

triadic

#3B4DA5 #A53B4D #4DA53B

tetradic

#3B4DA5 #A53B82 #A5933B #3BA55E

square

#3B4DA5 #A53B82 #A5933B #3BA55E

split-complementary

#3B4DA5 #A55E3B #82A53B

monochromatic

#1B234B #2B3878 #3B4DA5 #596BC4 #8694D4

Accessibility & contrast

On white

7.52

#3B4DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3B4DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4DA5

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DA5	#FFFFFF	#000000	##FFFFFF
##3B4DA5	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1559A8

Deuteranopia (green-blind)

#0050A3

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3b4da5;
/* rgb */ color: rgb(59, 77, 165);
/* oklch */ color: oklch(45.6% 0.143 271.0);

Tailwind

colors: {
  custom: {
    50: '#7c7ec0',
    500: '#3b4da5',
    950: '#000000',
  },
}

SCSS

$custom: #3b4da5;
$custom-light: #7c7ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4da5",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 229.811,
    "s": 47.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45561,
    "c": 0.14276,
    "h": 271
  },
  "luminance": 0.08954
}

Semantic roles & 50–950 ramp

primary

#3B4DA5

secondary

#BEB37E

accent

#C051D7

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3B4DA5

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

Preview Lab → · Contrast checker → · Palette generator →