#0F1F5A#0F1F5A

#0F1F5A is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.108 H 267.0°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#0F1F5A
RGB	rgb(15, 31, 90)
HSL	hsl(227, 71%, 21%)
HSV	hsv(227, 83%, 35%)
CMYK	cmyk(83.3%, 65.6%, 0%, 64.7%)
CIE-LAB	lab(14.51, 17.82, -37.30)
CIE-LCH	lch(14.51, 41.33, 295.54°)
OKLab	oklab(26.98% -0.0057 -0.1078)
OKLCH	oklch(26.98% 0.108 267)
XYZ	xyz(2.5318, 1.8194, 9.8886)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1F5A #5A4A0F

analogous

#0F445A #0F1F5A #240F5A

triadic

#0F1F5A #5A0F1F #1F5A0F

tetradic

#0F1F5A #5A0F44 #5A4A0F #0F5A24

square

#0F1F5A #5A0F44 #5A4A0F #0F5A24

split-complementary

#0F1F5A #5A240F #445A0F

monochromatic

#04091A #060D26 #0F1F5A #18318E #2043C3

Accessibility & contrast

On white

15.40

#0F1F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0F1F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1F5A

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1F5A	#FFFFFF	#000000	##FFFFFF
##0F1F5A	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285C

Deuteranopia (green-blind)

#002159

Tritanopia (blue-blind)

#002E39

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0f1f5a;
/* rgb */ color: rgb(15, 31, 90);
/* oklch */ color: oklch(27.0% 0.108 267.0);

Tailwind

colors: {
  custom: {
    50: '#5c5a89',
    500: '#0f1f5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f1f5a;
$custom-light: #5c5a89;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1f5a",
  "rgb": {
    "r": 15,
    "g": 31,
    "b": 90
  },
  "hsl": {
    "h": 227.2,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.2698,
    "c": 0.10796,
    "h": 267
  },
  "luminance": 0.0182
}

Semantic roles & 50–950 ramp

primary

#0F1F5A

secondary

#947F31

accent

#C83AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1F5A

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

Preview Lab → · Contrast checker → · Palette generator →