#0F387E#0F387E

#0F387E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.127 H 260.6°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#0F387E
RGB	rgb(15, 56, 126)
HSL	hsl(218, 79%, 28%)
HSV	hsv(218, 88%, 49%)
CMYK	cmyk(88.1%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(25.06, 14.93, -43.47)
CIE-LCH	lch(25.06, 45.97, 288.96°)
OKLab	oklab(35.9% -0.0208 -0.1255)
OKLCH	oklch(35.9% 0.127 260.6)
XYZ	xyz(5.3757, 4.4356, 20.3074)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F387E #7E550F

analogous

#0F6F7E #0F387E #1E0F7E

triadic

#0F387E #7E0F38 #387E0F

tetradic

#0F387E #7E0F6F #7E550F #0F7E1E

square

#0F387E #7E0F6F #7E550F #0F7E1E

split-complementary

#0F387E #7E1E0F #6F7E0F

monochromatic

#030C1B #082047 #0F387E #1650B5 #236AE5

Accessibility & contrast

On white

11.13

#0F387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#0F387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F387E

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F387E	#FFFFFF	#000000	##FFFFFF
##0F387E	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004180

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0f387e;
/* rgb */ color: rgb(15, 56, 126);
/* oklch */ color: oklch(35.9% 0.127 260.6);

Tailwind

colors: {
  custom: {
    50: '#646ea4',
    500: '#0f387e',
    950: '#000000',
  },
}

SCSS

$custom: #0f387e;
$custom-light: #646ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#0f387e",
  "rgb": {
    "r": 15,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 217.838,
    "s": 78.723,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35902,
    "c": 0.12719,
    "h": 260.6
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary

#0F387E

secondary

#B58534

accent

#AD33F5

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #0F387E

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

Preview Lab → · Contrast checker → · Palette generator →