#0F1B58#0F1B58

#0F1B58 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.110 H 268.5°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B58
RGB	rgb(15, 27, 88)
HSL	hsl(230, 71%, 20%)
HSV	hsv(230, 83%, 35%)
CMYK	cmyk(83%, 69.3%, 0%, 65.5%)
CIE-LAB	lab(13.17, 19.94, -38.15)
CIE-LCH	lch(13.17, 43.04, 297.59°)
OKLab	oklab(25.93% -0.0028 -0.1103)
OKLCH	oklch(25.93% 0.11 268.5)
XYZ	xyz(2.3498, 1.5897, 9.4136)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B58 #584C0F

analogous

#0F3F58 #0F1B58 #270F58

triadic

#0F1B58 #580F1B #1B580F

tetradic

#0F1B58 #580F3F #584C0F #0F5827

square

#0F1B58 #580F3F #584C0F #0F5827

split-complementary

#0F1B58 #58270F #3F580F

monochromatic

#04081A #060B24 #0F1B58 #182B8C #213BC1

Accessibility & contrast

On white

15.93

#0F1B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0F1B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B58

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B58	#FFFFFF	#000000	##FFFFFF
##0F1B58	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255A

Deuteranopia (green-blind)

#001E57

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0f1b58;
/* rgb */ color: rgb(15, 27, 88);
/* oklch */ color: oklch(25.9% 0.110 268.5);

Tailwind

colors: {
  custom: {
    50: '#5b5788',
    500: '#0f1b58',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b58;
$custom-light: #5b5788;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b58",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 88
  },
  "hsl": {
    "h": 230.137,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25928,
    "c": 0.11039,
    "h": 268.5
  },
  "luminance": 0.0159
}

Semantic roles & 50–950 ramp

primary

#0F1B58

secondary

#928231

accent

#D03AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04030B

muted

#79787C

Preview Lab

Preview with #0F1B58

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

Preview Lab → · Contrast checker → · Palette generator →