#0F3C58#0F3C58

#0F3C58 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.068 H 240.8°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#0F3C58
RGB	rgb(15, 60, 88)
HSL	hsl(203, 71%, 20%)
HSV	hsv(203, 83%, 35%)
CMYK	cmyk(83%, 31.8%, 0%, 65.5%)
CIE-LAB	lab(23.79, -4.02, -21.08)
CIE-LCH	lch(23.79, 21.46, 259.19°)
OKLab	oklab(34.1% -0.0333 -0.0597)
OKLCH	oklch(34.1% 0.068 240.8)
XYZ	xyz(3.5736, 4.0374, 9.8216)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3C58 #582B0F

analogous

#0F5850 #0F3C58 #0F1758

triadic

#0F3C58 #580F3C #3C580F

tetradic

#0F3C58 #500F58 #582B0F #17580F

square

#0F3C58 #500F58 #582B0F #17580F

split-complementary

#0F3C58 #580F17 #58500F

monochromatic

#04121A #061824 #0F3C58 #18608C #2183C1

Accessibility & contrast

On white

11.62

#0F3C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0F3C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3C58

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3C58	#FFFFFF	#000000	##FFFFFF
##0F3C58	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3C59

Deuteranopia (green-blind)

#253657

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3c58;
/* rgb */ color: rgb(15, 60, 88);
/* oklch */ color: oklch(34.1% 0.068 240.8);

Tailwind

colors: {
  custom: {
    50: '#5a7187',
    500: '#0f3c58',
    950: '#000000',
  },
}

SCSS

$custom: #0f3c58;
$custom-light: #5a7187;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3c58",
  "rgb": {
    "r": 15,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 203.014,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34097,
    "c": 0.06834,
    "h": 240.8
  },
  "luminance": 0.04038
}

Semantic roles & 50–950 ramp

primary

#0F3C58

secondary

#925631

accent

#7F3AEE

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3C58

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

Preview Lab → · Contrast checker → · Palette generator →