#030540#030540

#030540 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.107 H 267.4°. Best body text is #FFFFFF at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#030540
RGB	rgb(3, 5, 64)
HSL	hsl(238, 91%, 13%)
HSV	hsv(238, 95%, 25%)
CMYK	cmyk(95.3%, 92.2%, 0%, 74.9%)
CIE-LAB	lab(4.50, 21.82, -35.76)
CIE-LCH	lch(4.50, 41.89, 301.40°)
OKLab	oklab(18.15% -0.0049 -0.107)
OKLCH	oklch(18.15% 0.107 267.4)
XYZ	xyz(1.0169, 0.4979, 4.8920)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.39

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030540 #403E03

analogous

#032340 #030540 #1F0340

triadic

#030540 #400305 #054003

tetradic

#030540 #400323 #403E03 #03401F

square

#030540 #400323 #403E03 #03401F

split-complementary

#030540 #401F03 #234003

monochromatic

#01021D #01021D #030540 #060A7A #080EB5

Accessibility & contrast

On white

19.10

#030540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#030540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030540

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030540	#FFFFFF	#000000	##FFFFFF
##030540	1.00	19.10	1.10	19.10
#FFFFFF	19.10	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001342

Deuteranopia (green-blind)

#000C3F

Tritanopia (blue-blind)

#001823

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #030540;
/* rgb */ color: rgb(3, 5, 64);
/* oklch */ color: oklch(18.1% 0.107 267.4);

Tailwind

colors: {
  custom: {
    50: '#514776',
    500: '#030540',
    950: '#000000',
  },
}

SCSS

$custom: #030540;
$custom-light: #514776;
$custom-dark: #000000;

JSON

{
  "hex": "#030540",
  "rgb": {
    "r": 3,
    "g": 5,
    "b": 64
  },
  "hsl": {
    "h": 238.033,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18147,
    "c": 0.10713,
    "h": 267.4
  },
  "luminance": 0.00498
}

Semantic roles & 50–950 ramp

primary

#030540

secondary

#827F1D

accent

#F829FF

background

#F4F4F7

surface

#E7E6ED

border

#C3C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #030540

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

Preview Lab → · Contrast checker → · Palette generator →