#03052B#03052B

#03052B is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.1% C 0.077 H 269.4°. Best body text is #FFFFFF at 19.80:1 contrast (WCAG AA passes).

Color values

HEX	#03052B
RGB	rgb(3, 5, 43)
HSL	hsl(237, 87%, 9%)
HSV	hsv(237, 93%, 17%)
CMYK	cmyk(93%, 88.4%, 0%, 83.1%)
CIE-LAB	lab(2.73, 9.85, -23.12)
CIE-LCH	lch(2.73, 25.13, 293.07°)
OKLab	oklab(15.14% -0.0008 -0.0767)
OKLCH	oklch(15.14% 0.077 269.4)
XYZ	xyz(0.5277, 0.3023, 2.3156)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03052B #2B2903

analogous

#03192B #03052B #15032B

triadic

#03052B #2B0305 #052B03

tetradic

#03052B #2B0319 #2B2903 #032B15

square

#03052B #2B0319 #2B2903 #032B15

split-complementary

#03052B #2B1503 #192B03

monochromatic

#02031D #02031D #03052B #070C64 #0B129D

Accessibility & contrast

On white

19.80

#03052B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#03052B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03052B

19.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03052B	#FFFFFF	#000000	##FFFFFF
##03052B	1.00	19.80	1.06	19.80
#FFFFFF	19.80	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2C

Deuteranopia (green-blind)

#00082A

Tritanopia (blue-blind)

#000F17

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #03052b;
/* rgb */ color: rgb(3, 5, 43);
/* oklch */ color: oklch(15.1% 0.077 269.4);

Tailwind

colors: {
  custom: {
    50: '#494964',
    500: '#03052b',
    950: '#000000',
  },
}

SCSS

$custom: #03052b;
$custom-light: #494964;
$custom-dark: #000000;

JSON

{
  "hex": "#03052b",
  "rgb": {
    "r": 3,
    "g": 5,
    "b": 43
  },
  "hsl": {
    "h": 237,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.15135,
    "c": 0.07675,
    "h": 269.4
  },
  "luminance": 0.00302
}

Semantic roles & 50–950 ramp

primary

#03052B

secondary

#6F6B1B

accent

#F32BFD

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #03052B

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

Preview Lab → · Contrast checker → · Palette generator →