#0A3043#0A3043

#0A3043 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.054 H 235.1°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#0A3043
RGB	rgb(10, 48, 67)
HSL	hsl(200, 74%, 15%)
HSV	hsv(200, 85%, 26%)
CMYK	cmyk(85.1%, 28.4%, 0%, 73.7%)
CIE-LAB	lab(18.29, -5.43, -15.66)
CIE-LCH	lch(18.29, 16.57, 250.89°)
OKLab	oklab(29.32% -0.0308 -0.0441)
OKLCH	oklch(29.32% 0.054 235.1)
XYZ	xyz(2.1948, 2.5834, 5.6921)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3043 #431D0A

analogous

#0A4339 #0A3043 #0A1343

triadic

#0A3043 #430A30 #30430A

tetradic

#0A3043 #390A43 #431D0A #13430A

square

#0A3043 #390A43 #431D0A #13430A

split-complementary

#0A3043 #430A13 #43390A

monochromatic

#04131B #04131B #0A3043 #125678 #1A7CAE

Accessibility & contrast

On white

13.84

#0A3043 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0A3043 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3043

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3043	#FFFFFF	#000000	##FFFFFF
##0A3043	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273044

Deuteranopia (green-blind)

#1F2A43

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a3043;
/* rgb */ color: rgb(10, 48, 67);
/* oklch */ color: oklch(29.3% 0.054 235.1);

Tailwind

colors: {
  custom: {
    50: '#536877',
    500: '#0a3043',
    950: '#000000',
  },
}

SCSS

$custom: #0a3043;
$custom-light: #536877;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3043",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 67
  },
  "hsl": {
    "h": 200,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.29315,
    "c": 0.05385,
    "h": 235.1
  },
  "luminance": 0.02584
}

Semantic roles & 50–950 ramp

primary

#0A3043

secondary

#804629

accent

#7537F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3043

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

Preview Lab → · Contrast checker → · Palette generator →