#0F215B#0F215B

#0F215B is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.107 H 266.2°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#0F215B
RGB	rgb(15, 33, 91)
HSL	hsl(226, 72%, 21%)
HSV	hsv(226, 84%, 36%)
CMYK	cmyk(83.5%, 63.7%, 0%, 64.3%)
CIE-LAB	lab(15.19, 16.75, -36.85)
CIE-LCH	lch(15.19, 40.48, 294.45°)
OKLab	oklab(27.52% -0.0071 -0.1065)
OKLCH	oklch(27.52% 0.107 266.2)
XYZ	xyz(2.6285, 1.9443, 10.1323)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F215B #5B490F

analogous

#0F475B #0F215B #230F5B

triadic

#0F215B #5B0F21 #215B0F

tetradic

#0F215B #5B0F47 #5B490F #0F5B23

square

#0F215B #5B0F47 #5B490F #0F5B23

split-complementary

#0F215B #5B230F #475B0F

monochromatic

#040A1A #060E26 #0F215B #183490 #2047C4

Accessibility & contrast

On white

15.12

#0F215B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#0F215B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F215B

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F215B	#FFFFFF	#000000	##FFFFFF
##0F215B	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#00235A

Tritanopia (blue-blind)

#00303A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0f215b;
/* rgb */ color: rgb(15, 33, 91);
/* oklch */ color: oklch(27.5% 0.107 266.2);

Tailwind

colors: {
  custom: {
    50: '#5c5b8a',
    500: '#0f215b',
    950: '#000000',
  },
}

SCSS

$custom: #0f215b;
$custom-light: #5c5b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f215b",
  "rgb": {
    "r": 15,
    "g": 33,
    "b": 91
  },
  "hsl": {
    "h": 225.789,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27518,
    "c": 0.10672,
    "h": 266.2
  },
  "luminance": 0.01945
}

Semantic roles & 50–950 ramp

primary

#0F215B

secondary

#957D31

accent

#C439EE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #0F215B

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

Preview Lab → · Contrast checker → · Palette generator →