#0F1F5F#0F1F5F

#0F1F5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.115 H 267.2°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#0F1F5F
RGB	rgb(15, 31, 95)
HSL	hsl(228, 73%, 22%)
HSV	hsv(228, 84%, 37%)
CMYK	cmyk(84.2%, 67.4%, 0%, 62.7%)
CIE-LAB	lab(14.99, 19.94, -39.84)
CIE-LCH	lch(14.99, 44.55, 296.58°)
OKLab	oklab(27.49% -0.0057 -0.1153)
OKLCH	oklch(27.49% 0.115 267.2)
XYZ	xyz(2.7518, 1.9074, 11.0474)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1F5F #5F4F0F

analogous

#0F475F #0F1F5F #270F5F

triadic

#0F1F5F #5F0F1F #1F5F0F

tetradic

#0F1F5F #5F0F47 #5F4F0F #0F5F27

square

#0F1F5F #5F0F47 #5F4F0F #0F5F27

split-complementary

#0F1F5F #5F270F #475F0F

monochromatic

#04091A #070E2A #0F1F5F #173094 #2041C9

Accessibility & contrast

On white

15.20

#0F1F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#0F1F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1F5F

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1F5F	#FFFFFF	#000000	##FFFFFF
##0F1F5F	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A61

Deuteranopia (green-blind)

#00225E

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0f1f5f;
/* rgb */ color: rgb(15, 31, 95);
/* oklch */ color: oklch(27.5% 0.115 267.2);

Tailwind

colors: {
  custom: {
    50: '#5d5a8d',
    500: '#0f1f5f',
    950: '#000000',
  },
}

SCSS

$custom: #0f1f5f;
$custom-light: #5d5a8d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1f5f",
  "rgb": {
    "r": 15,
    "g": 31,
    "b": 95
  },
  "hsl": {
    "h": 228,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27489,
    "c": 0.11542,
    "h": 267.2
  },
  "luminance": 0.01908
}

Semantic roles & 50–950 ramp

primary

#0F1F5F

secondary

#988432

accent

#CB38EF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1F5F

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

Preview Lab → · Contrast checker → · Palette generator →