#0A2B43#0A2B43

#0A2B43 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.9% C 0.058 H 244.4°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B43
RGB	rgb(10, 43, 67)
HSL	hsl(205, 74%, 15%)
HSV	hsv(205, 85%, 26%)
CMYK	cmyk(85.1%, 35.8%, 0%, 73.7%)
CIE-LAB	lab(16.49, -1.96, -18.48)
CIE-LCH	lch(16.49, 18.59, 263.93°)
OKLab	oklab(27.89% -0.0251 -0.0524)
OKLCH	oklch(27.89% 0.058 244.4)
XYZ	xyz(2.0018, 2.1973, 5.6277)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B43 #43220A

analogous

#0A433E #0A2B43 #0A0F43

triadic

#0A2B43 #430A2B #2B430A

tetradic

#0A2B43 #3E0A43 #43220A #0F430A

square

#0A2B43 #3E0A43 #43220A #0F430A

split-complementary

#0A2B43 #430A0F #433E0A

monochromatic

#04111B #04111B #0A2B43 #124D78 #1A6FAE

Accessibility & contrast

On white

14.59

#0A2B43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#0A2B43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B43

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B43	#FFFFFF	#000000	##FFFFFF
##0A2B43	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202C44

Deuteranopia (green-blind)

#182643

Tritanopia (blue-blind)

#003134

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0a2b43;
/* rgb */ color: rgb(10, 43, 67);
/* oklch */ color: oklch(27.9% 0.058 244.4);

Tailwind

colors: {
  custom: {
    50: '#536477',
    500: '#0a2b43',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b43;
$custom-light: #536477;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b43",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 67
  },
  "hsl": {
    "h": 205.263,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.27887,
    "c": 0.05811,
    "h": 244.4
  },
  "luminance": 0.02198
}

Semantic roles & 50–950 ramp

primary

#0A2B43

secondary

#804D29

accent

#8537F1

background

#F5F5F7

surface

#E8EAED

border

#C4C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0A2B43

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

Preview Lab → · Contrast checker → · Palette generator →