#0F3A66#0F3A66

#0F3A66 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.090 H 252.6°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A66
RGB	rgb(15, 58, 102)
HSL	hsl(210, 74%, 23%)
HSV	hsv(210, 85%, 40%)
CMYK	cmyk(85.3%, 43.1%, 0%, 60%)
CIE-LAB	lab(23.96, 3.24, -29.95)
CIE-LCH	lch(23.96, 30.12, 276.17°)
OKLab	oklab(34.49% -0.0269 -0.0856)
OKLCH	oklch(34.49% 0.09 252.6)
XYZ	xyz(4.1074, 4.0865, 13.1401)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A66 #663B0F

analogous

#0F6566 #0F3A66 #100F66

triadic

#0F3A66 #660F3A #3A660F

tetradic

#0F3A66 #660F65 #663B0F #0F6610

square

#0F3A66 #660F65 #663B0F #0F6610

split-complementary

#0F3A66 #66100F #65660F

monochromatic

#040F1B #071C31 #0F3A66 #17589B #1F77D1

Accessibility & contrast

On white

11.55

#0F3A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#0F3A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A66

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A66	#FFFFFF	#000000	##FFFFFF
##0F3A66	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243D68

Deuteranopia (green-blind)

#163565

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3a66;
/* rgb */ color: rgb(15, 58, 102);
/* oklch */ color: oklch(34.5% 0.090 252.6);

Tailwind

colors: {
  custom: {
    50: '#5d6f92',
    500: '#0f3a66',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a66;
$custom-light: #5d6f92;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a66",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 210.345,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34495,
    "c": 0.08976,
    "h": 252.6
  },
  "luminance": 0.04087
}

Semantic roles & 50–950 ramp

primary

#0F3A66

secondary

#9F6932

accent

#9537F1

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #0F3A66

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

Preview Lab → · Contrast checker → · Palette generator →