#04052E#04052E

#04052E is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.7% C 0.081 H 270.7°. Best body text is #FFFFFF at 19.69:1 contrast (WCAG AA passes).

Color values

HEX	#04052E
RGB	rgb(4, 5, 46)
HSL	hsl(239, 84%, 10%)
HSV	hsv(239, 91%, 18%)
CMYK	cmyk(91.3%, 89.1%, 0%, 82%)
CIE-LAB	lab(2.99, 11.56, -24.97)
CIE-LCH	lch(2.99, 27.51, 294.85°)
OKLab	oklab(15.66% 0.001 -0.0808)
OKLCH	oklch(15.66% 0.081 270.7)
XYZ	xyz(0.5973, 0.3315, 2.6168)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04052E #2E2D04

analogous

#041A2E #04052E #18042E

triadic

#04052E #2E0405 #052E04

tetradic

#04052E #2E041A #2E2D04 #042E18

square

#04052E #2E041A #2E2D04 #042E18

split-complementary

#04052E #2E1804 #1A2E04

monochromatic

#02031C #02031C #04052E #090B66 #0E119F

Accessibility & contrast

On white

19.69

#04052E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#04052E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04052E

19.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04052E	#FFFFFF	#000000	##FFFFFF
##04052E	1.00	19.69	1.07	19.69
#FFFFFF	19.69	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2F

Deuteranopia (green-blind)

#00092D

Tritanopia (blue-blind)

#001018

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #04052e;
/* rgb */ color: rgb(4, 5, 46);
/* oklch */ color: oklch(15.7% 0.081 270.7);

Tailwind

colors: {
  custom: {
    50: '#4a4967',
    500: '#04052e',
    950: '#000000',
  },
}

SCSS

$custom: #04052e;
$custom-light: #4a4967;
$custom-dark: #000000;

JSON

{
  "hex": "#04052e",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 46
  },
  "hsl": {
    "h": 238.571,
    "s": 84,
    "l": 9.804
  },
  "oklch": {
    "l": 0.15661,
    "c": 0.08079,
    "h": 270.7
  },
  "luminance": 0.00332
}

Semantic roles & 50–950 ramp

primary

#04052E

secondary

#716F1D

accent

#F52EFA

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #04052E

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

Preview Lab → · Contrast checker → · Palette generator →