#0F408E#0F408E

#0F408E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.139 H 259.9°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#0F408E
RGB	rgb(15, 64, 142)
HSL	hsl(217, 81%, 31%)
HSV	hsv(217, 89%, 56%)
CMYK	cmyk(89.4%, 54.9%, 0%, 44.3%)
CIE-LAB	lab(28.70, 16.04, -47.53)
CIE-LCH	lch(28.70, 50.17, 288.64°)
OKLab	oklab(39.07% -0.0244 -0.1372)
OKLCH	oklch(39.07% 0.139 259.9)
XYZ	xyz(6.9111, 5.7205, 26.3258)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F408E #8E5D0F

analogous

#0F7F8E #0F408E #1D0F8E

triadic

#0F408E #8E0F40 #408E0F

tetradic

#0F408E #8E0F7F #8E5D0F #0F8E1D

square

#0F408E #8E0F7F #8E5D0F #0F8E1D

split-complementary

#0F408E #8E1D0F #7F8E0F

monochromatic

#030E1F #092757 #0F408E #1559C5 #2E76E9

Accessibility & contrast

On white

9.79

#0F408E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#0F408E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F408E

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F408E	#FFFFFF	#000000	##FFFFFF
##0F408E	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A91

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #0f408e;
/* rgb */ color: rgb(15, 64, 142);
/* oklch */ color: oklch(39.1% 0.139 259.9);

Tailwind

colors: {
  custom: {
    50: '#6874b0',
    500: '#0f408e',
    950: '#000000',
  },
}

SCSS

$custom: #0f408e;
$custom-light: #6874b0;
$custom-dark: #000000;

JSON

{
  "hex": "#0f408e",
  "rgb": {
    "r": 15,
    "g": 64,
    "b": 142
  },
  "hsl": {
    "h": 216.85,
    "s": 80.892,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39066,
    "c": 0.13939,
    "h": 259.9
  },
  "luminance": 0.05721
}

Semantic roles & 50–950 ramp

primary

#0F408E

secondary

#C38C36

accent

#AB31F7

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #0F408E

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

Preview Lab → · Contrast checker → · Palette generator →