#0F1758#0F1758

#0F1758 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.116 H 269.8°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#0F1758
RGB	rgb(15, 23, 88)
HSL	hsl(233, 71%, 20%)
HSV	hsv(233, 83%, 35%)
CMYK	cmyk(83%, 73.9%, 0%, 65.5%)
CIE-LAB	lab(12.08, 22.83, -39.93)
CIE-LCH	lch(12.08, 45.99, 299.75°)
OKLab	oklab(25.13% -0.0003 -0.1156)
OKLCH	oklch(25.13% 0.116 269.8)
XYZ	xyz(2.2642, 1.4187, 9.3851)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1758 #58500F

analogous

#0F3B58 #0F1758 #2C0F58

triadic

#0F1758 #580F17 #17580F

tetradic

#0F1758 #580F3B #58500F #0F582C

square

#0F1758 #580F3B #58500F #0F582C

split-complementary

#0F1758 #582C0F #3B580F

monochromatic

#04071A #060924 #0F1758 #18258C #2132C1

Accessibility & contrast

On white

16.36

#0F1758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0F1758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1758

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1758	#FFFFFF	#000000	##FFFFFF
##0F1758	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235A

Deuteranopia (green-blind)

#001C57

Tritanopia (blue-blind)

#002935

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0f1758;
/* rgb */ color: rgb(15, 23, 88);
/* oklch */ color: oklch(25.1% 0.116 269.8);

Tailwind

colors: {
  custom: {
    50: '#5c5488',
    500: '#0f1758',
    950: '#000000',
  },
}

SCSS

$custom: #0f1758;
$custom-light: #5c5488;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1758",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 88
  },
  "hsl": {
    "h": 233.425,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25134,
    "c": 0.11559,
    "h": 269.8
  },
  "luminance": 0.01419
}

Semantic roles & 50–950 ramp

primary

#0F1758

secondary

#928731

accent

#DA3AEE

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #0F1758

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

Preview Lab → · Contrast checker → · Palette generator →