#0F3A58#0F3A58

#0F3A58 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.6% C 0.070 H 243.6°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A58
RGB	rgb(15, 58, 88)
HSL	hsl(205, 71%, 20%)
HSV	hsv(205, 83%, 35%)
CMYK	cmyk(83%, 34.1%, 0%, 65.5%)
CIE-LAB	lab(23.11, -2.68, -22.16)
CIE-LCH	lch(23.11, 22.33, 263.10°)
OKLab	oklab(33.55% -0.0311 -0.0628)
OKLCH	oklch(33.55% 0.07 243.6)
XYZ	xyz(3.4708, 3.8318, 9.7873)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A58 #582D0F

analogous

#0F5852 #0F3A58 #0F1558

triadic

#0F3A58 #580F3A #3A580F

tetradic

#0F3A58 #520F58 #582D0F #15580F

square

#0F3A58 #520F58 #582D0F #15580F

split-complementary

#0F3A58 #580F15 #58520F

monochromatic

#04111A #061824 #0F3A58 #185C8C #217FC1

Accessibility & contrast

On white

11.89

#0F3A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#0F3A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A58

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A58	#FFFFFF	#000000	##FFFFFF
##0F3A58	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3B59

Deuteranopia (green-blind)

#223457

Tritanopia (blue-blind)

#004145

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0f3a58;
/* rgb */ color: rgb(15, 58, 88);
/* oklch */ color: oklch(33.6% 0.070 243.6);

Tailwind

colors: {
  custom: {
    50: '#5a6f87',
    500: '#0f3a58',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a58;
$custom-light: #5a6f87;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a58",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 88
  },
  "hsl": {
    "h": 204.658,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.33553,
    "c": 0.07014,
    "h": 243.6
  },
  "luminance": 0.03832
}

Semantic roles & 50–950 ramp

primary

#0F3A58

secondary

#925931

accent

#843AEE

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0F3A58

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

Preview Lab → · Contrast checker → · Palette generator →