#0F428E#0F428E

#0F428E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.5% C 0.137 H 259.2°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#0F428E
RGB	rgb(15, 66, 142)
HSL	hsl(216, 81%, 31%)
HSV	hsv(216, 89%, 56%)
CMYK	cmyk(89.4%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(29.29, 14.64, -46.58)
CIE-LCH	lch(29.29, 48.82, 287.45°)
OKLab	oklab(39.52% -0.0257 -0.1344)
OKLCH	oklch(39.52% 0.137 259.2)
XYZ	xyz(7.0259, 5.9501, 26.3641)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F428E #8E5B0F

analogous

#0F818E #0F428E #1C0F8E

triadic

#0F428E #8E0F42 #428E0F

tetradic

#0F428E #8E0F81 #8E5B0F #0F8E1C

square

#0F428E #8E0F81 #8E5B0F #0F8E1C

split-complementary

#0F428E #8E1C0F #818E0F

monochromatic

#030F1F #092857 #0F428E #155CC5 #2E79E9

Accessibility & contrast

On white

9.59

#0F428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#0F428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F428E

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F428E	#FFFFFF	#000000	##FFFFFF
##0F428E	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094B91

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #0f428e;
/* rgb */ color: rgb(15, 66, 142);
/* oklch */ color: oklch(39.5% 0.137 259.2);

Tailwind

colors: {
  custom: {
    50: '#6875b0',
    500: '#0f428e',
    950: '#000000',
  },
}

SCSS

$custom: #0f428e;
$custom-light: #6875b0;
$custom-dark: #000000;

JSON

{
  "hex": "#0f428e",
  "rgb": {
    "r": 15,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 215.906,
    "s": 80.892,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39516,
    "c": 0.13682,
    "h": 259.2
  },
  "luminance": 0.05951
}

Semantic roles & 50–950 ramp

primary

#0F428E

secondary

#C38A36

accent

#A731F7

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #0F428E

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

Preview Lab → · Contrast checker → · Palette generator →