#0F1751#0F1751

#0F1751 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.105 H 270.2°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#0F1751
RGB	rgb(15, 23, 81)
HSL	hsl(233, 69%, 19%)
HSV	hsv(233, 81%, 32%)
CMYK	cmyk(81.5%, 71.6%, 0%, 68.2%)
CIE-LAB	lab(11.33, 19.95, -36.40)
CIE-LCH	lch(11.33, 41.51, 298.73°)
OKLab	oklab(24.36% 0.0003 -0.1053)
OKLCH	oklch(24.36% 0.105 270.2)
XYZ	xyz(1.9881, 1.3082, 7.9307)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1751 #51490F

analogous

#0F3851 #0F1751 #280F51

triadic

#0F1751 #510F17 #17510F

tetradic

#0F1751 #510F38 #51490F #0F5128

square

#0F1751 #510F38 #51490F #0F5128

split-complementary

#0F1751 #51280F #38510F

monochromatic

#05071A #05081D #0F1751 #192685 #2234B8

Accessibility & contrast

On white

16.65

#0F1751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0F1751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1751

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1751	#FFFFFF	#000000	##FFFFFF
##0F1751	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002153

Deuteranopia (green-blind)

#001B50

Tritanopia (blue-blind)

#002631

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0f1751;
/* rgb */ color: rgb(15, 23, 81);
/* oklch */ color: oklch(24.4% 0.105 270.2);

Tailwind

colors: {
  custom: {
    50: '#5a5482',
    500: '#0f1751',
    950: '#000000',
  },
}

SCSS

$custom: #0f1751;
$custom-light: #5a5482;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1751",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 81
  },
  "hsl": {
    "h": 232.727,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.24361,
    "c": 0.10527,
    "h": 270.2
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary

#0F1751

secondary

#8B8031

accent

#D63CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F1751

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

Preview Lab → · Contrast checker → · Palette generator →