#031230#031230

#031230 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.0% C 0.064 H 260.5°. Best body text is #FFFFFF at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#031230
RGB	rgb(3, 18, 48)
HSL	hsl(220, 88%, 10%)
HSV	hsv(220, 94%, 19%)
CMYK	cmyk(93.8%, 62.5%, 0%, 81.2%)
CIE-LAB	lab(6.01, 6.34, -21.66)
CIE-LCH	lch(6.01, 22.57, 286.32°)
OKLab	oklab(19.05% -0.0106 -0.0634)
OKLCH	oklch(19.05% 0.064 260.5)
XYZ	xyz(0.7872, 0.6653, 2.8827)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031230 #302103

analogous

#032830 #031230 #0B0330

triadic

#031230 #300312 #123003

tetradic

#031230 #300328 #302103 #03300B

square

#031230 #300328 #302103 #03300B

split-complementary

#031230 #300B03 #283003

monochromatic

#020B1D #020B1D #031230 #07286A #0A3DA3

Accessibility & contrast

On white

18.53

#031230 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#031230 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031230

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031230	#FFFFFF	#000000	##FFFFFF
##031230	1.00	18.53	1.13	18.53
#FFFFFF	18.53	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011631

Deuteranopia (green-blind)

#00112F

Tritanopia (blue-blind)

#00191E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #031230;
/* rgb */ color: rgb(3, 18, 48);
/* oklch */ color: oklch(19.0% 0.064 260.5);

Tailwind

colors: {
  custom: {
    50: '#4a4f68',
    500: '#031230',
    950: '#000000',
  },
}

SCSS

$custom: #031230;
$custom-light: #4a4f68;
$custom-dark: #000000;

JSON

{
  "hex": "#031230",
  "rgb": {
    "r": 3,
    "g": 18,
    "b": 48
  },
  "hsl": {
    "h": 220,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.19045,
    "c": 0.06426,
    "h": 260.5
  },
  "luminance": 0.00665
}

Semantic roles & 50–950 ramp

primary

#031230

secondary

#73561B

accent

#B729FE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #031230

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

Preview Lab → · Contrast checker → · Palette generator →