#0F3B5D#0F3B5D

#0F3B5D is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.076 H 246.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B5D
RGB	rgb(15, 59, 93)
HSL	hsl(206, 72%, 21%)
HSV	hsv(206, 84%, 36%)
CMYK	cmyk(83.9%, 36.6%, 0%, 63.5%)
CIE-LAB	lab(23.74, -1.27, -24.45)
CIE-LCH	lch(23.74, 24.48, 267.03°)
OKLab	oklab(34.14% -0.0305 -0.0695)
OKLCH	oklch(34.14% 0.076 246.3)
XYZ	xyz(3.7360, 4.0194, 10.9327)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B5D #5D310F

analogous

#0F5D58 #0F3B5D #0F145D

triadic

#0F3B5D #5D0F3B #3B5D0F

tetradic

#0F3B5D #580F5D #5D310F #145D0F

square

#0F3B5D #580F5D #5D310F #145D0F

split-complementary

#0F3B5D #5D0F14 #5D580F

monochromatic

#04111A #061A28 #0F3B5D #175C92 #207EC6

Accessibility & contrast

On white

11.64

#0F3B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0F3B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B5D

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B5D	#FFFFFF	#000000	##FFFFFF
##0F3B5D	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3C5E

Deuteranopia (green-blind)

#20355C

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3b5d;
/* rgb */ color: rgb(15, 59, 93);
/* oklch */ color: oklch(34.1% 0.076 246.3);

Tailwind

colors: {
  custom: {
    50: '#5b708b',
    500: '#0f3b5d',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b5d;
$custom-light: #5b708b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b5d",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 93
  },
  "hsl": {
    "h": 206.154,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34142,
    "c": 0.07591,
    "h": 246.3
  },
  "luminance": 0.0402
}

Semantic roles & 50–950 ramp

primary

#0F3B5D

secondary

#965D31

accent

#8839EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070C

muted

#797A7D

Preview Lab

Preview with #0F3B5D

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

Preview Lab → · Contrast checker → · Palette generator →