#0F1D5B#0F1D5B

#0F1D5B is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.7% C 0.112 H 267.8°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#0F1D5B
RGB	rgb(15, 29, 91)
HSL	hsl(229, 72%, 21%)
HSV	hsv(229, 84%, 36%)
CMYK	cmyk(83.5%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(14.03, 19.72, -38.75)
CIE-LCH	lch(14.03, 43.48, 296.98°)
OKLab	oklab(26.66% -0.0043 -0.1121)
OKLCH	oklch(26.66% 0.112 267.8)
XYZ	xyz(2.5240, 1.7353, 10.0974)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1D5B #5B4D0F

analogous

#0F435B #0F1D5B #270F5B

triadic

#0F1D5B #5B0F1D #1D5B0F

tetradic

#0F1D5B #5B0F43 #5B4D0F #0F5B27

square

#0F1D5B #5B0F43 #5B4D0F #0F5B27

split-complementary

#0F1D5B #5B270F #435B0F

monochromatic

#04081A #060C26 #0F1D5B #182E90 #203EC4

Accessibility & contrast

On white

15.59

#0F1D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0F1D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1D5B

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1D5B	#FFFFFF	#000000	##FFFFFF
##0F1D5B	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275D

Deuteranopia (green-blind)

#00205A

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0f1d5b;
/* rgb */ color: rgb(15, 29, 91);
/* oklch */ color: oklch(26.7% 0.112 267.8);

Tailwind

colors: {
  custom: {
    50: '#5c588a',
    500: '#0f1d5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f1d5b;
$custom-light: #5c588a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1d5b",
  "rgb": {
    "r": 15,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 228.947,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.26657,
    "c": 0.11217,
    "h": 267.8
  },
  "luminance": 0.01736
}

Semantic roles & 50–950 ramp

primary

#0F1D5B

secondary

#958231

accent

#CD39EE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1D5B

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

Preview Lab → · Contrast checker → · Palette generator →