#0F213B#0F213B

#0F213B is a very dark, muted blue. Relative luminance 0.015; OKLCH L 24.8% C 0.055 H 257.7°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#0F213B
RGB	rgb(15, 33, 59)
HSL	hsl(215, 59%, 15%)
HSV	hsv(215, 75%, 23%)
CMYK	cmyk(74.6%, 44.1%, 0%, 76.9%)
CIE-LAB	lab(12.64, 2.80, -18.98)
CIE-LCH	lch(12.64, 19.18, 278.40°)
OKLab	oklab(24.76% -0.0118 -0.0539)
OKLCH	oklch(24.76% 0.055 257.7)
XYZ	xyz(1.5300, 1.5049, 4.3467)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F213B #3B290F

analogous

#0F373B #0F213B #130F3B

triadic

#0F213B #3B0F21 #213B0F

tetradic

#0F213B #3B0F37 #3B290F #0F3B13

square

#0F213B #3B0F37 #3B290F #0F3B13

split-complementary

#0F213B #3B130F #373B0F

monochromatic

#060E18 #060E18 #0F213B #1B3C6C #28589D

Accessibility & contrast

On white

16.14

#0F213B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0F213B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F213B

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F213B	#FFFFFF	#000000	##FFFFFF
##0F213B	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16233C

Deuteranopia (green-blind)

#0F1F3A

Tritanopia (blue-blind)

#00272B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0f213b;
/* rgb */ color: rgb(15, 33, 59);
/* oklch */ color: oklch(24.8% 0.055 257.7);

Tailwind

colors: {
  custom: {
    50: '#535b71',
    500: '#0f213b',
    950: '#000000',
  },
}

SCSS

$custom: #0f213b;
$custom-light: #535b71;
$custom-dark: #000000;

JSON

{
  "hex": "#0f213b",
  "rgb": {
    "r": 15,
    "g": 33,
    "b": 59
  },
  "hsl": {
    "h": 215.455,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24762,
    "c": 0.05521,
    "h": 257.7
  },
  "luminance": 0.01505
}

Semantic roles & 50–950 ramp

primary

#0F213B

secondary

#755930

accent

#A245E3

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #0F213B

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

Preview Lab → · Contrast checker → · Palette generator →