#3040A6#3040A6

#3040A6 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.164 H 270.8°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3040A6
RGB	rgb(48, 64, 166)
HSL	hsl(232, 55%, 42%)
HSV	hsv(232, 71%, 65%)
CMYK	cmyk(71.1%, 61.4%, 0%, 34.9%)
CIE-LAB	lab(31.91, 28.99, -56.84)
CIE-LCH	lch(31.91, 63.80, 297.02°)
OKLab	oklab(42.44% 0.0023 -0.164)
OKLCH	oklch(42.44% 0.164 270.8)
XYZ	xyz(9.9329, 7.0474, 36.9058)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3040A6 #A69630

analogous

#307BA6 #3040A6 #5B30A6

triadic

#3040A6 #A63040 #40A630

tetradic

#3040A6 #A6307B #A69630 #30A65B

square

#3040A6 #A6307B #A69630 #30A65B

split-complementary

#3040A6 #A65B30 #7BA630

monochromatic

#151B47 #222E77 #3040A6 #495ACA #7885D8

Accessibility & contrast

On white

8.72

#3040A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3040A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3040A6

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3040A6	#FFFFFF	#000000	##FFFFFF
##3040A6	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A9

Deuteranopia (green-blind)

#0046A4

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3040a6;
/* rgb */ color: rgb(48, 64, 166);
/* oklch */ color: oklch(42.4% 0.164 270.8);

Tailwind

colors: {
  custom: {
    50: '#7874c1',
    500: '#3040a6',
    950: '#000000',
  },
}

SCSS

$custom: #3040a6;
$custom-light: #7874c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3040a6",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 166
  },
  "hsl": {
    "h": 231.864,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42443,
    "c": 0.16402,
    "h": 270.8
  },
  "luminance": 0.07048
}

Semantic roles & 50–950 ramp

primary

#3040A6

secondary

#C0B671

accent

#CA49DE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3040A6

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

Preview Lab → · Contrast checker → · Palette generator →